1312331001 has 8 divisors (see below), whose sum is σ = 1773744480. Its totient is φ = 862902432.

The previous prime is 1312330961. The next prime is 1312331017. The reversal of 1312331001 is 1001332131.

1312331001 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312331001 - 2⁶ = 1312330937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312331071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2995971 + ... + 2996408.

It is an arithmetic number, because the mean of its divisors is an integer number (221718060).

Almost surely, 2^1312331001 is an apocalyptic number.

It is an amenable number.

1312331001 is a deficient number, since it is larger than the sum of its proper divisors (461413479).

1312331001 is an equidigital number, since it uses as much as digits as its factorization.

1312331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5992455.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1312331001 is about 36226.1093825986. The cubic root of 1312331001 is about 1094.8327902974.

Adding to 1312331001 its reverse (1001332131), we get a palindrome (2313663132).

The spelling of 1312331001 in words is "one billion, three hundred twelve million, three hundred thirty-one thousand, one".