232220210031 has 6 divisors (see below), whose sum is σ = 335429192280. Its totient is φ = 154813473348.

The previous prime is 232220209999. The next prime is 232220210039. The reversal of 232220210031 is 130012022232.

232220210031 is a `hidden beast` number, since 232 + 220 + 210 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 232220210031 - 2⁵ = 232220209999 is a prime.

It is a super-2 number, since 2×232220210031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 232220209986 and 232220210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232220210039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12901122771 + ... + 12901122788.

It is an arithmetic number, because the mean of its divisors is an integer number (55904865380).

Almost surely, 2^232220210031 is an apocalyptic number.

232220210031 is a deficient number, since it is larger than the sum of its proper divisors (103208982249).

232220210031 is a wasteful number, since it uses less digits than its factorization.

232220210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25802245565 (or 25802245562 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 232220210031 its reverse (130012022232), we get a palindrome (362232232263).

The spelling of 232220210031 in words is "two hundred thirty-two billion, two hundred twenty million, two hundred ten thousand, thirty-one".