231091703976 has 192 divisors, whose sum is σ = 694856448000. Its totient is φ = 63792731520.

The previous prime is 231091703971. The next prime is 231091704001. The reversal of 231091703976 is 679307190132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231091703971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24019695 + ... + 24029313.

It is an arithmetic number, because the mean of its divisors is an integer number (3619044000).

Almost surely, 2^231091703976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231091703976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347428224000).

231091703976 is an abundant number, since it is smaller than the sum of its proper divisors (463764744024).

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

231091703976 is a wasteful number, since it uses less digits than its factorization.

231091703976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10332 (or 10321 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 48.

The spelling of 231091703976 in words is "two hundred thirty-one billion, ninety-one million, seven hundred three thousand, nine hundred seventy-six".