231314320342 has 16 divisors (see below), whose sum is σ = 419864649120. Its totient is φ = 93303255168.

The previous prime is 231314320313. The next prime is 231314320343. The reversal of 231314320342 is 243023413132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 231314320342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231314320343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485954217 + ... + 485954692.

It is an arithmetic number, because the mean of its divisors is an integer number (26241540570).

Almost surely, 2^231314320342 is an apocalyptic number.

231314320342 is a deficient number, since it is larger than the sum of its proper divisors (188550328778).

231314320342 is a wasteful number, since it uses less digits than its factorization.

231314320342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971908935.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231314320342 its reverse (243023413132), we get a palindrome (474337733474).

The spelling of 231314320342 in words is "two hundred thirty-one billion, three hundred fourteen million, three hundred twenty thousand, three hundred forty-two".