313303002320 has 160 divisors (see below), whose sum is σ = 914188916736. Its totient is φ = 97005888000.

The previous prime is 313303002301. The next prime is 313303002347. The reversal of 313303002320 is 23200303313.

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 = 313303002292 and 313303002301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 761747 + ... + 1098573.

Almost surely, 2^313303002320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313303002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457094458368).

313303002320 is an abundant number, since it is smaller than the sum of its proper divisors (600885914416).

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

313303002320 is a wasteful number, since it uses less digits than its factorization.

313303002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337009 (or 337003 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 313303002320 its reverse (23200303313), we get a palindrome (336503305633).

The spelling of 313303002320 in words is "three hundred thirteen billion, three hundred three million, two thousand, three hundred twenty".