231881352842 has 8 divisors (see below), whose sum is σ = 352224840000. Its totient is φ = 114473072844.

The previous prime is 231881352811. The next prime is 231881352863. The reversal of 231881352842 is 248253188132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×231881352842² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733801592 + ... + 733801907.

It is an arithmetic number, because the mean of its divisors is an integer number (44028105000).

Almost surely, 2^231881352842 is an apocalyptic number.

231881352842 is a deficient number, since it is larger than the sum of its proper divisors (120343487158).

231881352842 is a wasteful number, since it uses less digits than its factorization.

231881352842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467603580.

The product of its digits is 737280, while the sum is 47.

The spelling of 231881352842 in words is "two hundred thirty-one billion, eight hundred eighty-one million, three hundred fifty-two thousand, eight hundred forty-two".