1312311013003 has 16 divisors (see below), whose sum is σ = 1370042535456. Its totient is φ = 1255817122560.

The previous prime is 1312311013001. The next prime is 1312311013031. The reversal of 1312311013003 is 3003101132131.

It is a cyclic number.

It is not a de Polignac number, because 1312311013003 - 2¹ = 1312311013001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312311013001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8412625 + ... + 8567197.

It is an arithmetic number, because the mean of its divisors is an integer number (85627658466).

Almost surely, 2^{1312311013003} is an apocalyptic number.

1312311013003 is a deficient number, since it is larger than the sum of its proper divisors (57731522453).

1312311013003 is a wasteful number, since it uses less digits than its factorization.

1312311013003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158574.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1312311013003 its reverse (3003101132131), we get a palindrome (4315412145134).

The spelling of 1312311013003 in words is "one trillion, three hundred twelve billion, three hundred eleven million, thirteen thousand, three".