231334213390 has 32 divisors (see below), whose sum is σ = 475914538944. Its totient is φ = 79310085120.

The previous prime is 231334213343. The next prime is 231334213391. The reversal of 231334213390 is 93312433132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231334213391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1293712 + ... + 1461628.

It is an arithmetic number, because the mean of its divisors is an integer number (14872329342).

Almost surely, 2^231334213390 is an apocalyptic number.

231334213390 is an abundant number, since it is smaller than the sum of its proper divisors (244580325554).

231334213390 is a wasteful number, since it uses less digits than its factorization.

231334213390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187612.

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 231334213390 in words is "two hundred thirty-one billion, three hundred thirty-four million, two hundred thirteen thousand, three hundred ninety".