330031000230021 has 12 divisors (see below), whose sum is σ = 478077380153100. Its totient is φ = 219390235107840.

The previous prime is 330031000229963. The next prime is 330031000230037. The reversal of 330031000230021 is 120032000130033.

330031000230021 is a `hidden beast` number, since 3 + 30 + 0 + 310 + 0 + 0 + 2 + 300 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 139521690324900 + 190509309905121 = 11811930^2 + 13802511^2 .

It is a de Polignac number, because none of the positive numbers 2^k-330031000230021 is a prime.

It is a super-2 number, since 2×330031000230021² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 330031000229976 and 330031000230003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330031000230821) 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, 52535972700 + ... + 52535978981.

It is an arithmetic number, because the mean of its divisors is an integer number (39839781679425).

Almost surely, 2^{330031000230021} is an apocalyptic number.

It is an amenable number.

330031000230021 is a deficient number, since it is larger than the sum of its proper divisors (148046379923079).

330031000230021 is a wasteful number, since it uses less digits than its factorization.

330031000230021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105071952036 (or 105071952033 counting only the distinct ones).

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

Adding to 330031000230021 its reverse (120032000130033), we get a palindrome (450063000360054).

The spelling of 330031000230021 in words is "three hundred thirty trillion, thirty-one billion, two hundred thirty thousand, twenty-one".