20302310313 has 16 divisors (see below), whose sum is σ = 30262027840. Its totient is φ = 13451834592.

The previous prime is 20302310257. The next prime is 20302310339. The reversal of 20302310313 is 31301320302.

20302310313 is a `hidden beast` number, since 20 + 302 + 31 + 0 + 313 = 666.

It is not a de Polignac number, because 20302310313 - 2⁸ = 20302310057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20302310513) 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, 2302156 + ... + 2310957.

It is an arithmetic number, because the mean of its divisors is an integer number (1891376740).

Almost surely, 2^20302310313 is an apocalyptic number.

It is an amenable number.

20302310313 is a deficient number, since it is larger than the sum of its proper divisors (9959717527).

20302310313 is a wasteful number, since it uses less digits than its factorization.

20302310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613285 (or 4613279 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20302310313 its reverse (31301320302), we get a palindrome (51603630615).

The spelling of 20302310313 in words is "twenty billion, three hundred two million, three hundred ten thousand, three hundred thirteen".