33230300031021 has 32 divisors (see below), whose sum is σ = 46087349068800. Its totient is φ = 21274478346240.

The previous prime is 33230300030999. The next prime is 33230300031041. The reversal of 33230300031021 is 12013000303233.

It is a de Polignac number, because none of the positive numbers 2^k-33230300031021 is a prime.

It is a super-2 number, since 2×33230300031021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33230300031041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33775585 + ... + 34745513.

It is an arithmetic number, because the mean of its divisors is an integer number (1440229658400).

Almost surely, 2^{33230300031021} is an apocalyptic number.

33230300031021 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

33230300031021 is a deficient number, since it is larger than the sum of its proper divisors (12857049037779).

33230300031021 is a wasteful number, since it uses less digits than its factorization.

33230300031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972789.

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

Adding to 33230300031021 its reverse (12013000303233), we get a palindrome (45243300334254).

The spelling of 33230300031021 in words is "thirty-three trillion, two hundred thirty billion, three hundred million, thirty-one thousand, twenty-one".