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31300110404 = 2261353363397
BaseRepresentation
bin11101001001101000…
…011100100001000100
32222210100200100120022
4131021220130201010
51003100312013104
622213513554312
72155434356123
oct351150344104
988710610508
1031300110404
1112302107242
126096415998
132c4a83b3b4
14172cd97aba
15c32d3bbbe
hex749a1c844

31300110404 has 24 divisors (see below), whose sum is σ = 55831015128. Its totient is φ = 15349847040.

The previous prime is 31300110367. The next prime is 31300110421. The reversal of 31300110404 is 40401100313.

It can be written as a sum of positive squares in 4 ways, for example, as 1440961600 + 29859148804 = 37960^2 + 172798^2 .

It is a super-2 number, since 2×313001104042 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95567 + ... + 267830.

It is an arithmetic number, because the mean of its divisors is an integer number (2326292297).

Almost surely, 231300110404 is an apocalyptic number.

It is an amenable number.

31300110404 is a deficient number, since it is larger than the sum of its proper divisors (24530904724).

31300110404 is a wasteful number, since it uses less digits than its factorization.

31300110404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363815 (or 363813 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31300110404 its reverse (40401100313), we get a palindrome (71701210717).

The spelling of 31300110404 in words is "thirty-one billion, three hundred million, one hundred ten thousand, four hundred four".

Divisors: 1 2 4 61 122 244 353 706 1412 21533 43066 86132 363397 726794 1453588 22167217 44334434 88668868 128279141 256558282 513116564 7825027601 15650055202 31300110404