31225255303112 has 16 divisors (see below), whose sum is σ = 63050996285340. Its totient is φ = 14411656293696.

The previous prime is 31225255303093. The next prime is 31225255303127. The reversal of 31225255303112 is 21130355252213.

It can be written as a sum of positive squares in 2 ways, for example, as 23346039987076 + 7879215316036 = 4831774^2 + 2806994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150121419623 + ... + 150121419830.

Almost surely, 2^{31225255303112} is an apocalyptic number.

It is an amenable number.

31225255303112 is an abundant number, since it is smaller than the sum of its proper divisors (31825740982228).

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

31225255303112 is a wasteful number, since it uses less digits than its factorization.

31225255303112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300242839472 (or 300242839468 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 31225255303112 in words is "thirty-one trillion, two hundred twenty-five billion, two hundred fifty-five million, three hundred three thousand, one hundred twelve".