1313018313 has 8 divisors (see below), whose sum is σ = 1842832800. Its totient is φ = 829274688.

The previous prime is 1313018309. The next prime is 1313018339. The reversal of 1313018313 is 3138103131.

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

It is not a de Polignac number, because 1313018313 - 2² = 1313018309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313018383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11517648 + ... + 11517761.

It is an arithmetic number, because the mean of its divisors is an integer number (230354100).

Almost surely, 2^1313018313 is an apocalyptic number.

It is an amenable number.

1313018313 is a deficient number, since it is larger than the sum of its proper divisors (529814487).

1313018313 is a wasteful number, since it uses less digits than its factorization.

1313018313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23035431.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 1313018313 is about 36235.5945583897. The cubic root of 1313018313 is about 1095.0238905569.

The spelling of 1313018313 in words is "one billion, three hundred thirteen million, eighteen thousand, three hundred thirteen".