231796131 has 8 divisors (see below), whose sum is σ = 353213184. Its totient is φ = 132454920.

The previous prime is 231796127. The next prime is 231796141. The reversal of 231796131 is 131697132.

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

It is not a de Polignac number, because 231796131 - 2² = 231796127 is a prime.

It is a super-3 number, since 3×231796131³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 231796092 and 231796101.

It is not an unprimeable number, because it can be changed into a prime (231796141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518935 + ... + 5518976.

It is an arithmetic number, because the mean of its divisors is an integer number (44151648).

Almost surely, 2^231796131 is an apocalyptic number.

231796131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231796131 is a deficient number, since it is larger than the sum of its proper divisors (121417053).

231796131 is a wasteful number, since it uses less digits than its factorization.

231796131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11037921.

The product of its digits is 6804, while the sum is 33.

The square root of 231796131 is about 15224.8524130778. The cubic root of 231796131 is about 614.2833267130.

The spelling of 231796131 in words is "two hundred thirty-one million, seven hundred ninety-six thousand, one hundred thirty-one".