31252540940544 has 288 divisors, whose sum is σ = 107277536701440. Its totient is φ = 7837627392000.

The previous prime is 31252540940501. The next prime is 31252540940557. The reversal of 31252540940544 is 44504904525213.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 31252540940493 and 31252540940502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7396882 + ... + 10826769.

It is an arithmetic number, because the mean of its divisors is an integer number (372491446880).

Almost surely, 2^{31252540940544} is an apocalyptic number.

It is an amenable number.

31252540940544 is an abundant number, since it is smaller than the sum of its proper divisors (76024995760896).

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

31252540940544 is a wasteful number, since it uses less digits than its factorization.

31252540940544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18223717 (or 18223703 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 31252540940544 in words is "thirty-one trillion, two hundred fifty-two billion, five hundred forty million, nine hundred forty thousand, five hundred forty-four".