20310330131 has 16 divisors (see below), whose sum is σ = 25030699008. Its totient is φ = 16048260000.

The previous prime is 20310330059. The next prime is 20310330149. The reversal of 20310330131 is 13103301302.

It is a cyclic number.

It is not a de Polignac number, because 20310330131 - 2²⁶ = 20243221267 is a prime.

It is a super-2 number, since 2×20310330131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20310330031) 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 15 ways as a sum of consecutive naturals, for example, 80255 + ... + 216936.

It is an arithmetic number, because the mean of its divisors is an integer number (1564418688).

Almost surely, 2^20310330131 is an apocalyptic number.

20310330131 is a deficient number, since it is larger than the sum of its proper divisors (4720368877).

20310330131 is a wasteful number, since it uses less digits than its factorization.

20310330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297962.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 20310330131 its reverse (13103301302), we get a palindrome (33413631433).

The spelling of 20310330131 in words is "twenty billion, three hundred ten million, three hundred thirty thousand, one hundred thirty-one".