231313410442 has 16 divisors (see below), whose sum is σ = 364818781800. Its totient is φ = 109837909440.

The previous prime is 231313410439. The next prime is 231313410479. The reversal of 231313410442 is 244014313132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 107781546601 + 123531863841 = 328301^2 + 351471^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231313410442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32686317 + ... + 32693392.

Almost surely, 2^231313410442 is an apocalyptic number.

231313410442 is a deficient number, since it is larger than the sum of its proper divisors (133505371358).

231313410442 is a wasteful number, since it uses less digits than its factorization.

231313410442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65379801.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231313410442 its reverse (244014313132), we get a palindrome (475327723574).

The spelling of 231313410442 in words is "two hundred thirty-one billion, three hundred thirteen million, four hundred ten thousand, four hundred forty-two".