231231030122 has 16 divisors (see below), whose sum is σ = 347226443520. Its totient is φ = 115488955008.

The previous prime is 231231030109. The next prime is 231231030133. The reversal of 231231030122 is 221030132132.

It is a junction number, because it is equal to n+sod(n) for n = 231231030094 and 231231030103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7079513 + ... + 7112099.

It is an arithmetic number, because the mean of its divisors is an integer number (21701652720).

Almost surely, 2^231231030122 is an apocalyptic number.

231231030122 is a deficient number, since it is larger than the sum of its proper divisors (115995413398).

231231030122 is a wasteful number, since it uses less digits than its factorization.

231231030122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36365.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231231030122 its reverse (221030132132), we get a palindrome (452261162254).

It can be divided in two parts, 2312310 and 30122, that added together give a palindrome (2342432).

The spelling of 231231030122 in words is "two hundred thirty-one billion, two hundred thirty-one million, thirty thousand, one hundred twenty-two".