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31103012332223 = 1317140737612363
BaseRepresentation
bin1110001001001101111000…
…00000000110001010111111
311002010102022101222212011222
413010212330000012022333
513034042432124112343
6150052305425303555
76360055432461356
oct704467400061277
9132112271885158
1031103012332223
119a01793675907
1235a3b7ba94bbb
131448003329010
1479757294a99d
1538e0d9e57a68
hex1c49bc0062bf

31103012332223 has 8 divisors (see below), whose sum is σ = 35465878315728. Its totient is φ = 27021621573504.

The previous prime is 31103012332219. The next prime is 31103012332297. The reversal of 31103012332223 is 32223321030113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31103012332223 - 22 = 31103012332219 is a prime.

It is a super-2 number, since 2×311030123322232 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31103012332192 and 31103012332201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103012332123) 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, 70368805961 + ... + 70368806402.

It is an arithmetic number, because the mean of its divisors is an integer number (4433234789466).

Almost surely, 231103012332223 is an apocalyptic number.

31103012332223 is a deficient number, since it is larger than the sum of its proper divisors (4362865983505).

31103012332223 is a wasteful number, since it uses less digits than its factorization.

31103012332223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140737612393.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31103012332223 its reverse (32223321030113), we get a palindrome (63326333362336).

The spelling of 31103012332223 in words is "thirty-one trillion, one hundred three billion, twelve million, three hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 13 17 221 140737612363 1829588960719 2392539410171 31103012332223