31560261420052 has 24 divisors (see below), whose sum is σ = 55255447098432. Its totient is φ = 15772992408000.

The previous prime is 31560261419989. The next prime is 31560261420067. The reversal of 31560261420052 is 25002416206513.

It is a junction number, because it is equal to n+sod(n) for n = 31560261419993 and 31560261420020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81205552 + ... + 81593272.

It is an arithmetic number, because the mean of its divisors is an integer number (2302310295768).

Almost surely, 2^{31560261420052} is an apocalyptic number.

It is an amenable number.

31560261420052 is a deficient number, since it is larger than the sum of its proper divisors (23695185678380).

31560261420052 is a wasteful number, since it uses less digits than its factorization.

31560261420052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396879 (or 396877 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 31560261420052 its reverse (25002416206513), we get a palindrome (56562677626565).

The spelling of 31560261420052 in words is "thirty-one trillion, five hundred sixty billion, two hundred sixty-one million, four hundred twenty thousand, fifty-two".