1312311002 has 8 divisors (see below), whose sum is σ = 1968667200. Its totient is φ = 656088604.

The previous prime is 1312310983. The next prime is 1312311029. The reversal of 1312311002 is 2001132131.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3602 + ... + 51357.

It is an arithmetic number, because the mean of its divisors is an integer number (246083400).

Almost surely, 2^1312311002 is an apocalyptic number.

1312311002 is a deficient number, since it is larger than the sum of its proper divisors (656356198).

1312311002 is a wasteful number, since it uses less digits than its factorization.

1312311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66900.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312311002 is about 36225.8333513530. The cubic root of 1312311002 is about 1094.8272287757.

Adding to 1312311002 its reverse (2001132131), we get a palindrome (3313443133).

The spelling of 1312311002 in words is "one billion, three hundred twelve million, three hundred eleven thousand, two".