31400250652 has 24 divisors (see below), whose sum is σ = 56335774320. Its totient is φ = 15304928640.

The previous prime is 31400250631. The next prime is 31400250689. The reversal of 31400250652 is 25605200413.

It is a self number, because there is not a number n which added to its sum of digits gives 31400250652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130438 + ... + 282514.

It is an arithmetic number, because the mean of its divisors is an integer number (2347323930).

Almost surely, 2^31400250652 is an apocalyptic number.

It is an amenable number.

31400250652 is a deficient number, since it is larger than the sum of its proper divisors (24935523668).

31400250652 is a wasteful number, since it uses less digits than its factorization.

31400250652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153381 (or 153379 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 31400250652 in words is "thirty-one billion, four hundred million, two hundred fifty thousand, six hundred fifty-two".