313012319890 has 64 divisors (see below), whose sum is σ = 579172633344. Its totient is φ = 121761497088.

The previous prime is 313012319839. The next prime is 313012319891. The reversal of 313012319890 is 98913210313.

It is a super-2 number, since 2×313012319890² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313012319891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19449427 + ... + 19465513.

It is an arithmetic number, because the mean of its divisors is an integer number (9049572396).

Almost surely, 2^313012319890 is an apocalyptic number.

313012319890 is a deficient number, since it is larger than the sum of its proper divisors (266160313454).

313012319890 is a wasteful number, since it uses less digits than its factorization.

313012319890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16531.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 313012319890 in words is "three hundred thirteen billion, twelve million, three hundred nineteen thousand, eight hundred ninety".