313781039652 has 48 divisors (see below), whose sum is σ = 737548664832. Its totient is φ = 103825858080.

The previous prime is 313781039641. The next prime is 313781039657. The reversal of 313781039652 is 256930187313.

It is a super-2 number, since 2×313781039652² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313781039657) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 807973 + ... + 1131539.

It is an arithmetic number, because the mean of its divisors is an integer number (15365597184).

Almost surely, 2^313781039652 is an apocalyptic number.

It is an amenable number.

313781039652 is an abundant number, since it is smaller than the sum of its proper divisors (423767625180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313781039652 is a wasteful number, since it uses less digits than its factorization.

313781039652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324168 (or 324166 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 313781039652 in words is "three hundred thirteen billion, seven hundred eighty-one million, thirty-nine thousand, six hundred fifty-two".