231304013142 has 32 divisors (see below), whose sum is σ = 469168568064. Its totient is φ = 76008122400.

The previous prime is 231304013131. The next prime is 231304013243. The reversal of 231304013142 is 241310403132.

It is a happy number.

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, 6141613 + ... + 6179159.

It is an arithmetic number, because the mean of its divisors is an integer number (14661517752).

Almost surely, 2^231304013142 is an apocalyptic number.

231304013142 is an abundant number, since it is smaller than the sum of its proper divisors (237864554922).

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

231304013142 is a wasteful number, since it uses less digits than its factorization.

231304013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52084.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231304013142 its reverse (241310403132), we get a palindrome (472614416274).

The spelling of 231304013142 in words is "two hundred thirty-one billion, three hundred four million, thirteen thousand, one hundred forty-two".