231239803876 has 9 divisors (see below), whose sum is σ = 404671339849. Its totient is φ = 115619421064.

The previous prime is 231239803871. The next prime is 231239803939. The reversal of 231239803876 is 678308932132.

The square root of 231239803876 is 480874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1200622500 + 230039181376 = 34650^2 + 479624^2 .

It is a super-2 number, since 2×231239803876² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231239803871) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 841530 + ... + 1081966.

Almost surely, 2^231239803876 is an apocalyptic number.

231239803876 is the 480874-th square number.

It is an amenable number.

231239803876 is a deficient number, since it is larger than the sum of its proper divisors (173431535973).

231239803876 is an frugal number, since it uses more digits than its factorization.

231239803876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480878 (or 240439 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 231239803876 in words is "two hundred thirty-one billion, two hundred thirty-nine million, eight hundred three thousand, eight hundred seventy-six".