1312371883 has 2 divisors, whose sum is σ = 1312371884. Its totient is φ = 1312371882.

The previous prime is 1312371821. The next prime is 1312371901. The reversal of 1312371883 is 3881732131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312371883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312371803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656185941 + 656185942.

It is an arithmetic number, because the mean of its divisors is an integer number (656185942).

Almost surely, 2^1312371883 is an apocalyptic number.

1312371883 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312371883 is an equidigital number, since it uses as much as digits as its factorization.

1312371883 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 1312371883 is about 36226.6736397368. The cubic root of 1312371883 is about 1094.8441589967.

The spelling of 1312371883 in words is "one billion, three hundred twelve million, three hundred seventy-one thousand, eight hundred eighty-three".