1312333013 has 16 divisors (see below), whose sum is σ = 1392543744. Its totient is φ = 1234846080.

The previous prime is 1312332949. The next prime is 1312333019. The reversal of 1312333013 is 3103332131.

It is a cyclic number.

It is not a de Polignac number, because 1312333013 - 2⁶ = 1312332949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312333019) 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, 225881 + ... + 231617.

It is an arithmetic number, because the mean of its divisors is an integer number (87033984).

Almost surely, 2^1312333013 is an apocalyptic number.

It is an amenable number.

1312333013 is a deficient number, since it is larger than the sum of its proper divisors (80210731).

1312333013 is a wasteful number, since it uses less digits than its factorization.

1312333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5972.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1312333013 is about 36226.1371526140. The cubic root of 1312333013 is about 1094.8333498114.

Adding to 1312333013 its reverse (3103332131), we get a palindrome (4415665144).

The spelling of 1312333013 in words is "one billion, three hundred twelve million, three hundred thirty-three thousand, thirteen".