313100664540 has 48 divisors (see below), whose sum is σ = 876875344800. Its totient is φ = 83475083520.

The previous prime is 313100664511. The next prime is 313100664553. The reversal of 313100664540 is 45466001313.

It is a super-2 number, since 2×313100664540² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300631 + ... + 846510.

It is an arithmetic number, because the mean of its divisors is an integer number (18268236350).

Almost surely, 2^313100664540 is an apocalyptic number.

313100664540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313100664540 is an abundant number, since it is smaller than the sum of its proper divisors (563774680260).

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

313100664540 is a wasteful number, since it uses less digits than its factorization.

313100664540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151702 (or 1151700 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 313100664540 its reverse (45466001313), we get a palindrome (358566665853).

The spelling of 313100664540 in words is "three hundred thirteen billion, one hundred million, six hundred sixty-four thousand, five hundred forty".