20313111299 has 32 divisors (see below), whose sum is σ = 23731868160. Its totient is φ = 17225222400.

The previous prime is 20313111263. The next prime is 20313111307. The reversal of 20313111299 is 99211131302.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20313111299 - 2²⁴ = 20296334083 is a prime.

It is a super-2 number, since 2×20313111299² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20313111209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1685204 + ... + 1697214.

It is an arithmetic number, because the mean of its divisors is an integer number (741620880).

Almost surely, 2^20313111299 is an apocalyptic number.

20313111299 is a deficient number, since it is larger than the sum of its proper divisors (3418756861).

20313111299 is a wasteful number, since it uses less digits than its factorization.

20313111299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12251.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 20313111299 in words is "twenty billion, three hundred thirteen million, one hundred eleven thousand, two hundred ninety-nine".