231301302102 has 72 divisors (see below), whose sum is σ = 548042122368. Its totient is φ = 70464888000.

The previous prime is 231301301989. The next prime is 231301302109. The reversal of 231301302102 is 201203103132.

231301302102 is a `hidden beast` number, since 231 + 30 + 1 + 302 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301302109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69174 + ... + 683657.

It is an arithmetic number, because the mean of its divisors is an integer number (7611696144).

Almost surely, 2^231301302102 is an apocalyptic number.

231301302102 is an abundant number, since it is smaller than the sum of its proper divisors (316740820266).

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

231301302102 is a wasteful number, since it uses less digits than its factorization.

231301302102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752966 (or 752950 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231301302102 its reverse (201203103132), we get a palindrome (432504405234).

The spelling of 231301302102 in words is "two hundred thirty-one billion, three hundred one million, three hundred two thousand, one hundred two".