131102230231 has 24 divisors (see below), whose sum is σ = 158242280064. Its totient is φ = 108184688640.

The previous prime is 131102230213. The next prime is 131102230271. The reversal of 131102230231 is 132032201131.

It is not a de Polignac number, because 131102230231 - 2⁵ = 131102230199 is a prime.

It is a super-2 number, since 2×131102230231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131102230199 and 131102230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102230271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69571 + ... + 516763.

It is an arithmetic number, because the mean of its divisors is an integer number (6593428336).

Almost surely, 2^131102230231 is an apocalyptic number.

131102230231 is a deficient number, since it is larger than the sum of its proper divisors (27140049833).

131102230231 is a wasteful number, since it uses less digits than its factorization.

131102230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447431 (or 447424 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131102230231 its reverse (132032201131), we get a palindrome (263134431362).

The spelling of 131102230231 in words is "one hundred thirty-one billion, one hundred two million, two hundred thirty thousand, two hundred thirty-one".