231100131 has 8 divisors (see below), whose sum is σ = 308295360. Its totient is φ = 153985832.

The previous prime is 231100123. The next prime is 231100141. The reversal of 231100131 is 131001132.

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

It is a cyclic number.

It is not a de Polignac number, because 231100131 - 2³ = 231100123 is a prime.

It is a super-2 number, since 2×231100131² = 106814541096434322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231100141) 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, 13221 + ... + 25238.

It is an arithmetic number, because the mean of its divisors is an integer number (38536920).

Almost surely, 2^231100131 is an apocalyptic number.

231100131 is a deficient number, since it is larger than the sum of its proper divisors (77195229).

231100131 is a wasteful number, since it uses less digits than its factorization.

231100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40465.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 231100131 is about 15201.9778647385. The cubic root of 231100131 is about 613.6678867198.

Adding to 231100131 its reverse (131001132), we get a palindrome (362101263).

The spelling of 231100131 in words is "two hundred thirty-one million, one hundred thousand, one hundred thirty-one".