231313022030 has 16 divisors (see below), whose sum is σ = 416403437040. Its totient is φ = 92516320512.

The previous prime is 231313022011. The next prime is 231313022033. The reversal of 231313022030 is 30220313132.

It is a junction number, because it is equal to n+sod(n) for n = 231313021993 and 231313022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231313022033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001219 + ... + 1210398.

It is an arithmetic number, because the mean of its divisors is an integer number (26025214815).

Almost surely, 2^231313022030 is an apocalyptic number.

231313022030 is a deficient number, since it is larger than the sum of its proper divisors (185090415010).

231313022030 is a wasteful number, since it uses less digits than its factorization.

231313022030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222083.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231313022030 its reverse (30220313132), we get a palindrome (261533335162).

The spelling of 231313022030 in words is "two hundred thirty-one billion, three hundred thirteen million, twenty-two thousand, thirty".