313000019956 has 36 divisors (see below), whose sum is σ = 603178833600. Its totient is φ = 142013028768.

The previous prime is 313000019911. The next prime is 313000019957. The reversal of 313000019956 is 659910000313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313000019957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3883996 + ... + 3963763.

It is an arithmetic number, because the mean of its divisors is an integer number (16754967600).

Almost surely, 2^313000019956 is an apocalyptic number.

It is an amenable number.

313000019956 is a deficient number, since it is larger than the sum of its proper divisors (290178813644).

313000019956 is a wasteful number, since it uses less digits than its factorization.

313000019956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847848 (or 7847833 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 37.

The spelling of 313000019956 in words is "three hundred thirteen billion, nineteen thousand, nine hundred fifty-six".