231400122130 has 32 divisors (see below), whose sum is σ = 446603984640. Its totient is φ = 86012609280.

The previous prime is 231400122119. The next prime is 231400122131. The reversal of 231400122130 is 31221004132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231400122098 and 231400122107.

It is not an unprimeable number, because it can be changed into a prime (231400122131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8601616 + ... + 8628475.

It is an arithmetic number, because the mean of its divisors is an integer number (13956374520).

Almost surely, 2^231400122130 is an apocalyptic number.

231400122130 is a deficient number, since it is larger than the sum of its proper divisors (215203862510).

231400122130 is a wasteful number, since it uses less digits than its factorization.

231400122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17230194.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231400122130 its reverse (31221004132), we get a palindrome (262621126262).

The spelling of 231400122130 in words is "two hundred thirty-one billion, four hundred million, one hundred twenty-two thousand, one hundred thirty".