12320031332131 has 2 divisors, whose sum is σ = 12320031332132. Its totient is φ = 12320031332130.

The previous prime is 12320031332113. The next prime is 12320031332159. The reversal of 12320031332131 is 13123313002321.

Together with previous prime (12320031332113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (13123313002321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12320031332131 - 2⁵ = 12320031332099 is a prime.

It is a super-2 number, since 2×12320031332131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12320031332096 and 12320031332105.

It is not a weakly prime, because it can be changed into another prime (12320001332131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160015666065 + 6160015666066.

It is an arithmetic number, because the mean of its divisors is an integer number (6160015666066).

Almost surely, 2^{12320031332131} is an apocalyptic number.

12320031332131 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320031332131 is an equidigital number, since it uses as much as digits as its factorization.

12320031332131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 12320031332131 its reverse (13123313002321), we get a palindrome (25443344334452).

The spelling of 12320031332131 in words is "twelve trillion, three hundred twenty billion, thirty-one million, three hundred thirty-two thousand, one hundred thirty-one".