31232423213 has 8 divisors (see below), whose sum is σ = 32559131136. Its totient is φ = 29925666000.

The previous prime is 31232423203. The next prime is 31232423227.

It is a happy number.

31232423213 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31232423213 - 2⁸ = 31232422957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4984481 + ... + 4990742.

It is an arithmetic number, because the mean of its divisors is an integer number (4069891392).

Almost surely, 2^31232423213 is an apocalyptic number.

It is an amenable number.

31232423213 is a deficient number, since it is larger than the sum of its proper divisors (1326707923).

31232423213 is a wasteful number, since it uses less digits than its factorization.

31232423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975355.

The product of its digits is 5184, while the sum is 26.

The spelling of 31232423213 in words is "thirty-one billion, two hundred thirty-two million, four hundred twenty-three thousand, two hundred thirteen".