20032031330031 has 48 divisors (see below), whose sum is σ = 32050395432576. Its totient is φ = 11088435484224.

The previous prime is 20032031329997. The next prime is 20032031330033. The reversal of 20032031330031 is 13003313023002.

It is not a de Polignac number, because 20032031330031 - 2³¹ = 20029883846383 is a prime.

It is a super-2 number, since 2×20032031330031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032031330033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6877761 + ... + 9347066.

It is an arithmetic number, because the mean of its divisors is an integer number (667716571512).

Almost surely, 2^{20032031330031} is an apocalyptic number.

20032031330031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20032031330031 is a deficient number, since it is larger than the sum of its proper divisors (12018364102545).

20032031330031 is a wasteful number, since it uses less digits than its factorization.

20032031330031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16225108 (or 16225101 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 20032031330031 its reverse (13003313023002), we get a palindrome (33035344353033).

The spelling of 20032031330031 in words is "twenty trillion, thirty-two billion, thirty-one million, three hundred thirty thousand, thirty-one".