31261410312125 has 64 divisors (see below), whose sum is σ = 44744469479424. Its totient is φ = 21361091400000.

The previous prime is 31261410312053. The next prime is 31261410312161. The reversal of 31261410312125 is 52121301416213.

It is not a de Polignac number, because 31261410312125 - 2²⁴ = 31261393534909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31261410312091 and 31261410312100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 611372810 + ... + 611423940.

It is an arithmetic number, because the mean of its divisors is an integer number (699132335616).

Almost surely, 2^{31261410312125} is an apocalyptic number.

31261410312125 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31261410312125 is a deficient number, since it is larger than the sum of its proper divisors (13483059167299).

31261410312125 is a wasteful number, since it uses less digits than its factorization.

31261410312125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53595 (or 53585 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 31261410312125 its reverse (52121301416213), we get a palindrome (83382711728338).

The spelling of 31261410312125 in words is "thirty-one trillion, two hundred sixty-one billion, four hundred ten million, three hundred twelve thousand, one hundred twenty-five".