1312113001 has 4 divisors (see below), whose sum is σ = 1381171600. Its totient is φ = 1243054404.

The previous prime is 1312112969. The next prime is 1312113007. The reversal of 1312113001 is 1003112131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1312113001 - 2⁵ = 1312112969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312113007) 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, 34529271 + ... + 34529308.

It is an arithmetic number, because the mean of its divisors is an integer number (345292900).

Almost surely, 2^1312113001 is an apocalyptic number.

It is an amenable number.

1312113001 is a deficient number, since it is larger than the sum of its proper divisors (69058599).

1312113001 is an equidigital number, since it uses as much as digits as its factorization.

1312113001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69058598.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1312113001 is about 36223.1003780737. The cubic root of 1312113001 is about 1094.7721636300.

Adding to 1312113001 its reverse (1003112131), we get a palindrome (2315225132).

The spelling of 1312113001 in words is "one billion, three hundred twelve million, one hundred thirteen thousand, one".