31053145460 has 24 divisors (see below), whose sum is σ = 65542637160. Its totient is φ = 12358204544.

The previous prime is 31053145429. The next prime is 31053145469. The reversal of 31053145460 is 6454135013.

It can be written as a sum of positive squares in 4 ways, for example, as 17177247844 + 13875897616 = 131062^2 + 117796^2 .

It is a super-2 number, since 2×31053145460² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31053145469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3936815 + ... + 3944694.

It is an arithmetic number, because the mean of its divisors is an integer number (2730943215).

Almost surely, 2^31053145460 is an apocalyptic number.

It is an amenable number.

31053145460 is an abundant number, since it is smaller than the sum of its proper divisors (34489491700).

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

31053145460 is a wasteful number, since it uses less digits than its factorization.

31053145460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881715 (or 7881713 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 31053145460 in words is "thirty-one billion, fifty-three million, one hundred forty-five thousand, four hundred sixty".