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31103341122432 = 273114089709957
BaseRepresentation
bin1110001001001110011111…
…00110010101001110000000
311002010110011022200010120010
413010213033212111032000
513034044120311404212
6150052402212344520
76360066534240405
oct704471746251600
9132113138603503
1031103341122432
119a01942223857
1235a4052015140
131448056497237
147975a44962ac
1538e108c5203c
hex1c49cf995380

31103341122432 has 64 divisors (see below), whose sum is σ = 82619090384400. Its totient is φ = 10367674896384.

The previous prime is 31103341122391. The next prime is 31103341122433. The reversal of 31103341122432 is 23422114330113.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×311033411224322 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31103341122432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103341122433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43455198 + ... + 44165154.

Almost surely, 231103341122432 is an apocalyptic number.

31103341122432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31103341122432 is an abundant number, since it is smaller than the sum of its proper divisors (51515749261968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31103341122432 is a wasteful number, since it uses less digits than its factorization.

31103341122432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824063 (or 824051 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 31103341122432 its reverse (23422114330113), we get a palindrome (54525455452545).

The spelling of 31103341122432 in words is "thirty-one trillion, one hundred three billion, three hundred forty-one million, one hundred twenty-two thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 114089 228178 342267 456356 684534 709957 912712 1369068 1419914 1825424 2129871 2738136 2839828 3650848 4259742 5476272 5679656 7301696 8519484 10952544 11359312 14603392 17038968 21905088 22718624 34077936 43810176 45437248 68155872 90874496 136311744 272623488 80998284173 161996568346 242994852519 323993136692 485989705038 647986273384 971979410076 1295972546768 1943958820152 2591945093536 3887917640304 5183890187072 7775835280608 10367780374144 15551670561216 31103341122432