231012213010231 has 4 divisors (see below), whose sum is σ = 231012302848912. Its totient is φ = 231012123171552.

The previous prime is 231012213010217. The next prime is 231012213010247. The reversal of 231012213010231 is 132010312210132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231012213010231 - 2¹⁵ = 231012212977463 is a prime.

It is a super-2 number, since 2×231012213010231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231012213010531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40945011 + ... + 46244116.

It is an arithmetic number, because the mean of its divisors is an integer number (57753075712228).

Almost surely, 2^{231012213010231} is an apocalyptic number.

231012213010231 is a deficient number, since it is larger than the sum of its proper divisors (89838681).

231012213010231 is an equidigital number, since it uses as much as digits as its factorization.

231012213010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89838680.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 231012213010231 its reverse (132010312210132), we get a palindrome (363022525220363).

The spelling of 231012213010231 in words is "two hundred thirty-one trillion, twelve billion, two hundred thirteen million, ten thousand, two hundred thirty-one".