313230310040 has 16 divisors (see below), whose sum is σ = 704768197680. Its totient is φ = 125292124000.

The previous prime is 313230310027. The next prime is 313230310049. The reversal of 313230310040 is 40013032313.

It is a super-2 number, since 2×313230310040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 313230309994 and 313230310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313230310049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3915378836 + ... + 3915378915.

It is an arithmetic number, because the mean of its divisors is an integer number (44048012355).

Almost surely, 2^313230310040 is an apocalyptic number.

It is an amenable number.

313230310040 is an abundant number, since it is smaller than the sum of its proper divisors (391537887640).

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

313230310040 is a wasteful number, since it uses less digits than its factorization.

313230310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830757762 (or 7830757758 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 313230310040 its reverse (40013032313), we get a palindrome (353243342353).

The spelling of 313230310040 in words is "three hundred thirteen billion, two hundred thirty million, three hundred ten thousand, forty".