232031200109 has 2 divisors, whose sum is σ = 232031200110. Its totient is φ = 232031200108.

The previous prime is 232031200099. The next prime is 232031200111. The reversal of 232031200109 is 901002130232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165055312900 + 66975887209 = 406270^2 + 258797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232031200109 is a prime.

It is a super-2 number, since 2×232031200109² (a number of 24 digits) contains 22 as substring.

Together with 232031200111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232031200139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116015600054 + 116015600055.

It is an arithmetic number, because the mean of its divisors is an integer number (116015600055).

Almost surely, 2^232031200109 is an apocalyptic number.

It is an amenable number.

232031200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

232031200109 is an equidigital number, since it uses as much as digits as its factorization.

232031200109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 232031200109 in words is "two hundred thirty-two billion, thirty-one million, two hundred thousand, one hundred nine".