31304113410440 has 32 divisors (see below), whose sum is σ = 75852274803480. Its totient is φ = 11558441874432.

The previous prime is 31304113410433. The next prime is 31304113410457. The reversal of 31304113410440 is 4401431140313.

It can be written as a sum of positive squares in 4 ways, for example, as 25814305085284 + 5489808325156 = 5080778^2 + 2343034^2 .

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, 30100108529 + ... + 30100109568.

Almost surely, 2^{31304113410440} is an apocalyptic number.

It is an amenable number.

31304113410440 is an abundant number, since it is smaller than the sum of its proper divisors (44548161393040).

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

31304113410440 is a wasteful number, since it uses less digits than its factorization.

31304113410440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60200218121 (or 60200218117 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 31304113410440 its reverse (4401431140313), we get a palindrome (35705544550753).

The spelling of 31304113410440 in words is "thirty-one trillion, three hundred four billion, one hundred thirteen million, four hundred ten thousand, four hundred forty".