31025304122040 has 96 divisors (see below), whose sum is σ = 100841841893520. Its totient is φ = 8272626453504.

The previous prime is 31025304122011. The next prime is 31025304122051. The reversal of 31025304122040 is 4022140352013.

31025304122040 is a `hidden beast` number, since 3 + 1 + 0 + 2 + 530 + 4 + 122 + 0 + 4 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31025304121995 and 31025304122013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 314122 + ... + 7883481.

Almost surely, 2^{31025304122040} is an apocalyptic number.

31025304122040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31025304122040 is an abundant number, since it is smaller than the sum of its proper divisors (69816537771480).

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

31025304122040 is a wasteful number, since it uses less digits than its factorization.

31025304122040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8208133 (or 8208126 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 31025304122040 its reverse (4022140352013), we get a palindrome (35047444474053).

The spelling of 31025304122040 in words is "thirty-one trillion, twenty-five billion, three hundred four million, one hundred twenty-two thousand, forty".