231012101022 has 16 divisors (see below), whose sum is σ = 477956071440. Its totient is φ = 74348722112.

The previous prime is 231012101009. The next prime is 231012101071. The reversal of 231012101022 is 220101210132.

231012101022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231012100992 and 231012101010.

It is a congruent number.

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, 663827703 + ... + 663828050.

It is an arithmetic number, because the mean of its divisors is an integer number (29872254465).

Almost surely, 2^231012101022 is an apocalyptic number.

231012101022 is an abundant number, since it is smaller than the sum of its proper divisors (246943970418).

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

231012101022 is a wasteful number, since it uses less digits than its factorization.

231012101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327655787.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 231012101022 its reverse (220101210132), we get a palindrome (451113311154).

The spelling of 231012101022 in words is "two hundred thirty-one billion, twelve million, one hundred one thousand, twenty-two".