131312023323 has 16 divisors (see below), whose sum is σ = 188572186656. Its totient is φ = 80798146560.

The previous prime is 131312023313. The next prime is 131312023331. The reversal of 131312023323 is 323320213131.

It is not a de Polignac number, because 131312023323 - 2³⁰ = 130238281499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131312023293 and 131312023302.

It is not an unprimeable number, because it can be changed into a prime (131312023313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160411 + ... + 536987.

It is an arithmetic number, because the mean of its divisors is an integer number (11785761666).

Almost surely, 2^131312023323 is an apocalyptic number.

131312023323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131312023323 is a deficient number, since it is larger than the sum of its proper divisors (57260163333).

131312023323 is a wasteful number, since it uses less digits than its factorization.

131312023323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385534.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131312023323 its reverse (323320213131), we get a palindrome (454632236454).

The spelling of 131312023323 in words is "one hundred thirty-one billion, three hundred twelve million, twenty-three thousand, three hundred twenty-three".