131230331323 has 24 divisors (see below), whose sum is σ = 167896314432. Its totient is φ = 101621407104.

The previous prime is 131230331303. The next prime is 131230331357. The reversal of 131230331323 is 323133032131.

It is not a de Polignac number, because 131230331323 - 2²⁵ = 131196776891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131230331303) 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, 2161690 + ... + 2221567.

It is an arithmetic number, because the mean of its divisors is an integer number (6995679768).

Almost surely, 2^131230331323 is an apocalyptic number.

131230331323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131230331323 is a deficient number, since it is larger than the sum of its proper divisors (36665983109).

131230331323 is a wasteful number, since it uses less digits than its factorization.

131230331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383331 (or 4383324 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 131230331323 its reverse (323133032131), we get a palindrome (454363363454).

The spelling of 131230331323 in words is "one hundred thirty-one billion, two hundred thirty million, three hundred thirty-one thousand, three hundred twenty-three".