313019745386 has 8 divisors (see below), whose sum is σ = 469531991844. Its totient is φ = 156509081440.

The previous prime is 313019745361. The next prime is 313019745397. The reversal of 313019745386 is 683547910313.

It can be written as a sum of positive squares in 2 ways, for example, as 293942887225 + 19076858161 = 542165^2 + 138119^2 .

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

It is a super-2 number, since 2×313019745386² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585206 + ... + 984126.

Almost surely, 2^313019745386 is an apocalyptic number.

313019745386 is a deficient number, since it is larger than the sum of its proper divisors (156512246458).

313019745386 is a wasteful number, since it uses less digits than its factorization.

313019745386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791256.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 313019745386 in words is "three hundred thirteen billion, nineteen million, seven hundred forty-five thousand, three hundred eighty-six".