313699801540 has 36 divisors (see below), whose sum is σ = 671238216684. Its totient is φ = 123105218496.

The previous prime is 313699801537. The next prime is 313699801543. The reversal of 313699801540 is 45108996313.

It is an interprime number because it is at equal distance from previous prime (313699801537) and next prime (313699801543).

It can be written as a sum of positive squares in 2 ways, for example, as 170463288384 + 143236513156 = 412872^2 + 378466^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313699801543) 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, 18226579 + ... + 18243781.

It is an arithmetic number, because the mean of its divisors is an integer number (18645506019).

Almost surely, 2^313699801540 is an apocalyptic number.

It is an amenable number.

313699801540 is an abundant number, since it is smaller than the sum of its proper divisors (357538415144).

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

313699801540 is an frugal number, since it uses more digits than its factorization.

313699801540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34468 (or 17263 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 313699801540 in words is "three hundred thirteen billion, six hundred ninety-nine million, eight hundred one thousand, five hundred forty".