231023311230 has 64 divisors (see below), whose sum is σ = 557641117440. Its totient is φ = 61253197824.

The previous prime is 231023311229. The next prime is 231023311243. The reversal of 231023311230 is 32113320132.

231023311230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231023311230² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231023311197 and 231023311206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4189981 + ... + 4244759.

It is an arithmetic number, because the mean of its divisors is an integer number (8713142460).

Almost surely, 2^231023311230 is an apocalyptic number.

231023311230 is an abundant number, since it is smaller than the sum of its proper divisors (326617806210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231023311230 is a wasteful number, since it uses less digits than its factorization.

231023311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55593.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231023311230 its reverse (32113320132), we get a palindrome (263136631362).

The spelling of 231023311230 in words is "two hundred thirty-one billion, twenty-three million, three hundred eleven thousand, two hundred thirty".