231310222330 has 24 divisors (see below), whose sum is σ = 457650144756. Its totient is φ = 84112807680.

The previous prime is 231310222307. The next prime is 231310222357. The reversal of 231310222330 is 33222013132.

It can be written as a sum of positive squares in 2 ways, for example, as 226557912361 + 4752309969 = 475981^2 + 68937^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95581527 + ... + 95583946.

Almost surely, 2^231310222330 is an apocalyptic number.

231310222330 is a deficient number, since it is larger than the sum of its proper divisors (226339922426).

231310222330 is a wasteful number, since it uses less digits than its factorization.

231310222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191165502 (or 191165491 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231310222330 its reverse (33222013132), we get a palindrome (264532235462).

The spelling of 231310222330 in words is "two hundred thirty-one billion, three hundred ten million, two hundred twenty-two thousand, three hundred thirty".