31533442532252 has 12 divisors (see below), whose sum is σ = 55960757170416. Its totient is φ = 15544654769280.

The previous prime is 31533442532243. The next prime is 31533442532269. The reversal of 31533442532252 is 25223524433513.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 55516623893 + ... + 55516624460.

It is an arithmetic number, because the mean of its divisors is an integer number (4663396430868).

Almost surely, 2^{31533442532252} is an apocalyptic number.

It is an amenable number.

31533442532252 is a deficient number, since it is larger than the sum of its proper divisors (24427314638164).

31533442532252 is a wasteful number, since it uses less digits than its factorization.

31533442532252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111033248428 (or 111033248426 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 44.

Adding to 31533442532252 its reverse (25223524433513), we get a palindrome (56756966965765).

The spelling of 31533442532252 in words is "thirty-one trillion, five hundred thirty-three billion, four hundred forty-two million, five hundred thirty-two thousand, two hundred fifty-two".