20313013311 has 6 divisors (see below), whose sum is σ = 29341019240. Its totient is φ = 13542008868.

The previous prime is 20313013271. The next prime is 20313013351. The reversal of 20313013311 is 11331031302.

It is a happy number.

20313013311 is a `hidden beast` number, since 2 + 0 + 31 + 301 + 331 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (20313013271) and next prime (20313013351).

It is not a de Polignac number, because 20313013311 - 2⁹ = 20313012799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313013351) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1128500731 + ... + 1128500748.

Almost surely, 2^20313013311 is an apocalyptic number.

20313013311 is a deficient number, since it is larger than the sum of its proper divisors (9028005929).

20313013311 is a wasteful number, since it uses less digits than its factorization.

20313013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257001485 (or 2257001482 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 20313013311 its reverse (11331031302), we get a palindrome (31644044613).

The spelling of 20313013311 in words is "twenty billion, three hundred thirteen million, thirteen thousand, three hundred eleven".