313302320040 has 64 divisors (see below), whose sum is σ = 940267056960. Its totient is φ = 83515276800.

The previous prime is 313302320017. The next prime is 313302320047. The reversal of 313302320040 is 40023203313.

It is a junction number, because it is equal to n+sod(n) for n = 313302319989 and 313302320016.

It is not an unprimeable number, because it can be changed into a prime (313302320047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184786 + ... + 812865.

It is an arithmetic number, because the mean of its divisors is an integer number (14691672765).

Almost surely, 2^313302320040 is an apocalyptic number.

313302320040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313302320040 is an abundant number, since it is smaller than the sum of its proper divisors (626964736920).

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

313302320040 is a wasteful number, since it uses less digits than its factorization.

313302320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000282 (or 1000278 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 313302320040 its reverse (40023203313), we get a palindrome (353325523353).

The spelling of 313302320040 in words is "three hundred thirteen billion, three hundred two million, three hundred twenty thousand, forty".