21232233031030 has 64 divisors (see below), whose sum is σ = 43783564511232. Its totient is φ = 7261993537920.

The previous prime is 21232233030997. The next prime is 21232233031033. The reversal of 21232233031030 is 3013033223212.

It is a super-2 number, since 2×21232233031030² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21232233030986 and 21232233031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232233031033) 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, 118607952 + ... + 118786828.

It is an arithmetic number, because the mean of its divisors is an integer number (684118195488).

Almost surely, 2^{21232233031030} is an apocalyptic number.

21232233031030 is an abundant number, since it is smaller than the sum of its proper divisors (22551331480202).

21232233031030 is a wasteful number, since it uses less digits than its factorization.

21232233031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182989.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 21232233031030 its reverse (3013033223212), we get a palindrome (24245266254242).

The spelling of 21232233031030 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred thirty-three million, thirty-one thousand, thirty".