31214204152 has 32 divisors (see below), whose sum is σ = 61986578400. Its totient is φ = 14684959744.

The previous prime is 31214204117. The next prime is 31214204179. The reversal of 31214204152 is 25140241213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491349 + ... + 551227.

It is an arithmetic number, because the mean of its divisors is an integer number (1937080575).

Almost surely, 2^31214204152 is an apocalyptic number.

It is an amenable number.

31214204152 is a deficient number, since it is larger than the sum of its proper divisors (30772374248).

31214204152 is a wasteful number, since it uses less digits than its factorization.

31214204152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63735 (or 63731 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 31214204152 its reverse (25140241213), we get a palindrome (56354445365).

The spelling of 31214204152 in words is "thirty-one billion, two hundred fourteen million, two hundred four thousand, one hundred fifty-two".