20133100131 has 16 divisors (see below), whose sum is σ = 28273808640. Its totient is φ = 12708070560.

The previous prime is 20133100121. The next prime is 20133100159. The reversal of 20133100131 is 13100133102.

It is not a de Polignac number, because 20133100131 - 2⁷ = 20133100003 is a prime.

It is a super-2 number, since 2×20133100131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20133100131.

It is not an unprimeable number, because it can be changed into a prime (20133100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7815 + ... + 200816.

It is an arithmetic number, because the mean of its divisors is an integer number (1767113040).

Almost surely, 2^20133100131 is an apocalyptic number.

20133100131 is a deficient number, since it is larger than the sum of its proper divisors (8140708509).

20133100131 is a wasteful number, since it uses less digits than its factorization.

20133100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210346.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 20133100131 its reverse (13100133102), we get a palindrome (33233233233).

The spelling of 20133100131 in words is "twenty billion, one hundred thirty-three million, one hundred thousand, one hundred thirty-one".