20313012313 has 8 divisors (see below), whose sum is σ = 22221380160. Its totient is φ = 18414932880.

The previous prime is 20313012289. The next prime is 20313012389. The reversal of 20313012313 is 31321031302.

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 20313012313 - 2¹³ = 20313004121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313010313) 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, 2567970 + ... + 2575867.

It is an arithmetic number, because the mean of its divisors is an integer number (2777672520).

Almost surely, 2^20313012313 is an apocalyptic number.

It is an amenable number.

20313012313 is a deficient number, since it is larger than the sum of its proper divisors (1908367847).

20313012313 is a wasteful number, since it uses less digits than its factorization.

20313012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144207.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20313012313 its reverse (31321031302), we get a palindrome (51634043615).

The spelling of 20313012313 in words is "twenty billion, three hundred thirteen million, twelve thousand, three hundred thirteen".