231240412302 has 16 divisors (see below), whose sum is σ = 462767564880. Its totient is φ = 77032347392.

The previous prime is 231240412289. The next prime is 231240412307. The reversal of 231240412302 is 203214042132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240412307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11937027 + ... + 11956382.

It is an arithmetic number, because the mean of its divisors is an integer number (28922972805).

Almost surely, 2^231240412302 is an apocalyptic number.

231240412302 is an abundant number, since it is smaller than the sum of its proper divisors (231527152578).

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

231240412302 is a wasteful number, since it uses less digits than its factorization.

231240412302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895027.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 231240412302 its reverse (203214042132), we get a palindrome (434454454434).

The spelling of 231240412302 in words is "two hundred thirty-one billion, two hundred forty million, four hundred twelve thousand, three hundred two".