131311130312323 has 24 divisors (see below), whose sum is σ = 150226595533952. Its totient is φ = 114074986051584.

The previous prime is 131311130312321. The next prime is 131311130312339. The reversal of 131311130312323 is 323213031113131.

It is a happy number.

It is not a de Polignac number, because 131311130312323 - 2¹ = 131311130312321 is a prime.

It is a super-2 number, since 2×131311130312323² (a number of 29 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 = 131311130312291 and 131311130312300.

It is not an unprimeable number, because it can be changed into a prime (131311130312321) 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, 81620686 + ... + 83213932.

Almost surely, 2^{131311130312323} is an apocalyptic number.

131311130312323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131311130312323 is a deficient number, since it is larger than the sum of its proper divisors (18915465221629).

131311130312323 is a wasteful number, since it uses less digits than its factorization.

131311130312323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615231 (or 1615214 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 131311130312323 its reverse (323213031113131), we get a palindrome (454524161425454).

The spelling of 131311130312323 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred thirty million, three hundred twelve thousand, three hundred twenty-three".