231420330102 has 32 divisors (see below), whose sum is σ = 499662545760. Its totient is φ = 71032147200.

The previous prime is 231420330067. The next prime is 231420330139. The reversal of 231420330102 is 201033024132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3595149 + ... + 3658952.

It is an arithmetic number, because the mean of its divisors is an integer number (15614454555).

Almost surely, 2^231420330102 is an apocalyptic number.

231420330102 is an abundant number, since it is smaller than the sum of its proper divisors (268242215658).

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

231420330102 is a wasteful number, since it uses less digits than its factorization.

231420330102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7254528.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231420330102 its reverse (201033024132), we get a palindrome (432453354234).

The spelling of 231420330102 in words is "two hundred thirty-one billion, four hundred twenty million, three hundred thirty thousand, one hundred two".