20331203030131 has 12 divisors (see below), whose sum is σ = 23651451914160. Its totient is φ = 17426105287920.

The previous prime is 20331203030129. The next prime is 20331203030207. The reversal of 20331203030131 is 13103030213302.

It is not a de Polignac number, because 20331203030131 - 2¹ = 20331203030129 is a prime.

It is a super-2 number, since 2×20331203030131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20331203030101) 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, 6271116 + ... + 8943673.

It is an arithmetic number, because the mean of its divisors is an integer number (1970954326180).

Almost surely, 2^{20331203030131} is an apocalyptic number.

20331203030131 is a deficient number, since it is larger than the sum of its proper divisors (3320248884029).

20331203030131 is a wasteful number, since it uses less digits than its factorization.

20331203030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15242074 (or 15242067 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20331203030131 its reverse (13103030213302), we get a palindrome (33434233243433).

The spelling of 20331203030131 in words is "twenty trillion, three hundred thirty-one billion, two hundred three million, thirty thousand, one hundred thirty-one".