231301223202 has 64 divisors (see below), whose sum is σ = 572806232064. Its totient is φ = 60752160000.

The previous prime is 231301223201. The next prime is 231301223213. The reversal of 231301223202 is 202322103132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (231301223201) 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 31 ways as a sum of consecutive naturals, for example, 3736174 + ... + 3797577.

It is an arithmetic number, because the mean of its divisors is an integer number (8950097376).

Almost surely, 2^231301223202 is an apocalyptic number.

231301223202 is an abundant number, since it is smaller than the sum of its proper divisors (341505008862).

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

231301223202 is a wasteful number, since it uses less digits than its factorization.

231301223202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533823.

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

Adding to 231301223202 its reverse (202322103132), we get a palindrome (433623326334).

The spelling of 231301223202 in words is "two hundred thirty-one billion, three hundred one million, two hundred twenty-three thousand, two hundred two".