313856503811 has 8 divisors (see below), whose sum is σ = 332445682800. Its totient is φ = 295281439488.

The previous prime is 313856503787. The next prime is 313856503813. The reversal of 313856503811 is 118305658313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313856503811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313856503813) 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, 3482861 + ... + 3571838.

It is an arithmetic number, because the mean of its divisors is an integer number (41555710350).

Almost surely, 2^313856503811 is an apocalyptic number.

313856503811 is a deficient number, since it is larger than the sum of its proper divisors (18589178989).

313856503811 is a wasteful number, since it uses less digits than its factorization.

313856503811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057333.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 313856503811 in words is "three hundred thirteen billion, eight hundred fifty-six million, five hundred three thousand, eight hundred eleven".