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31130241104 = 247331265399
BaseRepresentation
bin11100111111100000…
…011100100001010000
32222100112001002200202
4130333200130201100
51002223320203404
622145005034332
72151302453264
oct347740344120
988315032622
1031130241104
1112225233996
1260495559a8
132c215a3711
1417145ba0a4
15c22e8521e
hex73f81c850

31130241104 has 20 divisors (see below), whose sum is σ = 60323296800. Its totient is φ = 15562938720.

The previous prime is 31130241073. The next prime is 31130241127. The reversal of 31130241104 is 40114203113.

It is a super-2 number, since 2×311302411042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15404 + ... + 249995.

It is an arithmetic number, because the mean of its divisors is an integer number (3016164840).

Almost surely, 231130241104 is an apocalyptic number.

It is an amenable number.

31130241104 is a deficient number, since it is larger than the sum of its proper divisors (29193055696).

31130241104 is a wasteful number, since it uses less digits than its factorization.

31130241104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272738 (or 272732 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31130241104 its reverse (40114203113), we get a palindrome (71244444217).

The spelling of 31130241104 in words is "thirty-one billion, one hundred thirty million, two hundred forty-one thousand, one hundred four".

Divisors: 1 2 4 8 16 7331 14662 29324 58648 117296 265399 530798 1061596 2123192 4246384 1945640069 3891280138 7782560276 15565120552 31130241104