231322401020332 has 12 divisors (see below), whose sum is σ = 404814333095536. Its totient is φ = 115661162993040.

The previous prime is 231322401020279. The next prime is 231322401020393. The reversal of 231322401020332 is 233020104223132.

It is a super-2 number, since 2×231322401020332² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231322401020332.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8122393 + ... + 22991695.

Almost surely, 2^{231322401020332} is an apocalyptic number.

It is an amenable number.

231322401020332 is a deficient number, since it is larger than the sum of its proper divisors (173491932075204).

231322401020332 is a wasteful number, since it uses less digits than its factorization.

231322401020332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18758568 (or 18758566 counting only the distinct ones).

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

Adding to 231322401020332 its reverse (233020104223132), we get a palindrome (464342505243464).

The spelling of 231322401020332 in words is "two hundred thirty-one trillion, three hundred twenty-two billion, four hundred one million, twenty thousand, three hundred thirty-two".