1312435554313 has 4 divisors (see below), whose sum is σ = 1413392135428. Its totient is φ = 1211478973200.

The previous prime is 1312435554307. The next prime is 1312435554317. The reversal of 1312435554313 is 3134555342131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 757331581504 + 555103972809 = 870248^2 + 745053^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312435554313 - 2⁵ = 1312435554281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312435554317) 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, 50478290538 + ... + 50478290563.

It is an arithmetic number, because the mean of its divisors is an integer number (353348033857).

Almost surely, 2^{1312435554313} is an apocalyptic number.

1312435554313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312435554313 is a deficient number, since it is larger than the sum of its proper divisors (100956581115).

1312435554313 is a wasteful number, since it uses less digits than its factorization.

1312435554313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100956581114.

The product of its digits is 324000, while the sum is 40.

The spelling of 1312435554313 in words is "one trillion, three hundred twelve billion, four hundred thirty-five million, five hundred fifty-four thousand, three hundred thirteen".