20313113011 has 8 divisors (see below), whose sum is σ = 20795935424. Its totient is φ = 19830764520.

The previous prime is 20313113003. The next prime is 20313113063. The reversal of 20313113011 is 11031131302.

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 20313113011 - 2³ = 20313113003 is a prime.

It is a super-2 number, since 2×20313113011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313113081) 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, 30981 + ... + 203926.

It is an arithmetic number, because the mean of its divisors is an integer number (2599491928).

Almost surely, 2^20313113011 is an apocalyptic number.

20313113011 is a deficient number, since it is larger than the sum of its proper divisors (482822413).

20313113011 is a wasteful number, since it uses less digits than its factorization.

20313113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236961.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20313113011 its reverse (11031131302), we get a palindrome (31344244313).

The spelling of 20313113011 in words is "twenty billion, three hundred thirteen million, one hundred thirteen thousand, eleven".