31325562125536 has 96 divisors (see below), whose sum is σ = 70603220298240. Its totient is φ = 13402256426496.

The previous prime is 31325562125531. The next prime is 31325562125537. The reversal of 31325562125536 is 63552126552313.

It is a self number, because there is not a number n which added to its sum of digits gives 31325562125536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31325562125531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101873370 + ... + 1101901798.

It is an arithmetic number, because the mean of its divisors is an integer number (735450211440).

Almost surely, 2^{31325562125536} is an apocalyptic number.

It is an amenable number.

31325562125536 is an abundant number, since it is smaller than the sum of its proper divisors (39277658172704).

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

31325562125536 is a wasteful number, since it uses less digits than its factorization.

31325562125536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36696 (or 36688 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 49.

Adding to 31325562125536 its reverse (63552126552313), we get a palindrome (94877688677849).

The spelling of 31325562125536 in words is "thirty-one trillion, three hundred twenty-five billion, five hundred sixty-two million, one hundred twenty-five thousand, five hundred thirty-six".