20313401313 has 8 divisors (see below), whose sum is σ = 27086753376. Its totient is φ = 13541158400.

The previous prime is 20313401309. The next prime is 20313401321. The reversal of 20313401313 is 31310431302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20313401313 - 2² = 20313401309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20313401313.

It is not an unprimeable number, because it can be changed into a prime (20313401323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233568 + ... + 308513.

It is an arithmetic number, because the mean of its divisors is an integer number (3385844172).

Almost surely, 2^20313401313 is an apocalyptic number.

It is an amenable number.

20313401313 is a deficient number, since it is larger than the sum of its proper divisors (6773352063).

20313401313 is a wasteful number, since it uses less digits than its factorization.

20313401313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554575.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20313401313 its reverse (31310431302), we get a palindrome (51623832615).

The spelling of 20313401313 in words is "twenty billion, three hundred thirteen million, four hundred one thousand, three hundred thirteen".