131210332231 has 12 divisors (see below), whose sum is σ = 144240568416. Its totient is φ = 119267529920.

The previous prime is 131210332213. The next prime is 131210332241. The reversal of 131210332231 is 132233012131.

It is not a de Polignac number, because 131210332231 - 2⁷ = 131210332103 is a prime.

It is a super-2 number, since 2×131210332231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210332241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997170 + ... + 1121056.

It is an arithmetic number, because the mean of its divisors is an integer number (12020047368).

Almost surely, 2^131210332231 is an apocalyptic number.

131210332231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131210332231 is a deficient number, since it is larger than the sum of its proper divisors (13030236185).

131210332231 is a wasteful number, since it uses less digits than its factorization.

131210332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132662 (or 132651 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131210332231 its reverse (132233012131), we get a palindrome (263443344362).

The spelling of 131210332231 in words is "one hundred thirty-one billion, two hundred ten million, three hundred thirty-two thousand, two hundred thirty-one".