20300323131 has 12 divisors (see below), whose sum is σ = 31988388120. Its totient is φ = 12303226080.

The previous prime is 20300323079. The next prime is 20300323151. The reversal of 20300323131 is 13132300302.

20300323131 is a `hidden beast` number, since 20 + 300 + 32 + 313 + 1 = 666.

It is not a de Polignac number, because 20300323131 - 2⁷ = 20300323003 is a prime.

It is a super-2 number, since 2×20300323131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20300323151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102526786 + ... + 102526983.

It is an arithmetic number, because the mean of its divisors is an integer number (2665699010).

Almost surely, 2^20300323131 is an apocalyptic number.

20300323131 is a deficient number, since it is larger than the sum of its proper divisors (11688064989).

20300323131 is a wasteful number, since it uses less digits than its factorization.

20300323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205053786 (or 205053783 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20300323131 its reverse (13132300302), we get a palindrome (33432623433).

The spelling of 20300323131 in words is "twenty billion, three hundred million, three hundred twenty-three thousand, one hundred thirty-one".