31244747470532 has 12 divisors (see below), whose sum is σ = 57894679136700. Its totient is φ = 14703410574336.

The previous prime is 31244747470507. The next prime is 31244747470561. The reversal of 31244747470532 is 23507474744213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28821071412676 + 2423676057856 = 5368526^2 + 1556816^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229740790157 + ... + 229740790292.

It is an arithmetic number, because the mean of its divisors is an integer number (4824556594725).

Almost surely, 2^{31244747470532} is an apocalyptic number.

It is an amenable number.

31244747470532 is a deficient number, since it is larger than the sum of its proper divisors (26649931666168).

31244747470532 is a wasteful number, since it uses less digits than its factorization.

31244747470532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459481580470 (or 459481580468 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 53.

The spelling of 31244747470532 in words is "thirty-one trillion, two hundred forty-four billion, seven hundred forty-seven million, four hundred seventy thousand, five hundred thirty-two".