20331324341031 has 16 divisors (see below), whose sum is σ = 30130813434240. Its totient is φ = 12089523906720.

The previous prime is 20331324341023. The next prime is 20331324341161. The reversal of 20331324341031 is 13014342313302.

It is not a de Polignac number, because 20331324341031 - 2³ = 20331324341023 is a prime.

It is a super-2 number, since 2×20331324341031² (a number of 27 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 20331324341031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331324342031) 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, 5812269361 + ... + 5812272858.

It is an arithmetic number, because the mean of its divisors is an integer number (1883175839640).

Almost surely, 2^{20331324341031} is an apocalyptic number.

20331324341031 is a deficient number, since it is larger than the sum of its proper divisors (9799489093209).

20331324341031 is a wasteful number, since it uses less digits than its factorization.

20331324341031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11624542286.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 20331324341031 its reverse (13014342313302), we get a palindrome (33345666654333).

The spelling of 20331324341031 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-four million, three hundred forty-one thousand, thirty-one".