1312287832131 has 4 divisors (see below), whose sum is σ = 1749717109512. Its totient is φ = 874858554752.

The previous prime is 1312287832039. The next prime is 1312287832151. The reversal of 1312287832131 is 1312387822131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312287832131 - 2⁹ = 1312287831619 is a prime.

It is a super-2 number, since 2×1312287832131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312287832151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218714638686 + ... + 218714638691.

It is an arithmetic number, because the mean of its divisors is an integer number (437429277378).

Almost surely, 2^{1312287832131} is an apocalyptic number.

1312287832131 is a deficient number, since it is larger than the sum of its proper divisors (437429277381).

1312287832131 is an equidigital number, since it uses as much as digits as its factorization.

1312287832131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437429277380.

The product of its digits is 96768, while the sum is 42.

The spelling of 1312287832131 in words is "one trillion, three hundred twelve billion, two hundred eighty-seven million, eight hundred thirty-two thousand, one hundred thirty-one".