231031320203219 has 32 divisors (see below), whose sum is σ = 237752221593600. Its totient is φ = 224364816000000.

The previous prime is 231031320203147. The next prime is 231031320203237. The reversal of 231031320203219 is 912302023130132.

It is a cyclic number.

It is not a de Polignac number, because 231031320203219 - 2²⁴ = 231031303426003 is a prime.

It is a super-2 number, since 2×231031320203219² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231031320203279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39894889214 + ... + 39894895004.

It is an arithmetic number, because the mean of its divisors is an integer number (7429756924800).

Almost surely, 2^{231031320203219} is an apocalyptic number.

231031320203219 is a deficient number, since it is larger than the sum of its proper divisors (6720901390381).

231031320203219 is a wasteful number, since it uses less digits than its factorization.

231031320203219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10883.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 231031320203219 in words is "two hundred thirty-one trillion, thirty-one billion, three hundred twenty million, two hundred three thousand, two hundred nineteen".