220332232031 has 2 divisors, whose sum is σ = 220332232032. Its totient is φ = 220332232030.

The previous prime is 220332232009. The next prime is 220332232051. The reversal of 220332232031 is 130232233022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220332232031 - 2⁶ = 220332231967 is a prime.

It is a super-2 number, since 2×220332232031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220332231988 and 220332232006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220332232051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110166116015 + 110166116016.

It is an arithmetic number, because the mean of its divisors is an integer number (110166116016).

Almost surely, 2^220332232031 is an apocalyptic number.

220332232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

220332232031 is an equidigital number, since it uses as much as digits as its factorization.

220332232031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 220332232031 its reverse (130232233022), we get a palindrome (350564465053).

Subtracting from 220332232031 its reverse (130232233022), we obtain a palindrome (90099999009).

The spelling of 220332232031 in words is "two hundred twenty billion, three hundred thirty-two million, two hundred thirty-two thousand, thirty-one".