102131233 has 2 divisors, whose sum is σ = 102131234. Its totient is φ = 102131232.

The previous prime is 102131231. The next prime is 102131269. The reversal of 102131233 is 332131201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86266944 + 15864289 = 9288^2 + 3983^2 .

It is a cyclic number.

It is not a de Polignac number, because 102131233 - 2¹ = 102131231 is a prime.

Together with 102131231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (102131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51065616 + 51065617.

It is an arithmetic number, because the mean of its divisors is an integer number (51065617).

Almost surely, 2^102131233 is an apocalyptic number.

It is an amenable number.

102131233 is a deficient number, since it is larger than the sum of its proper divisors (1).

102131233 is an equidigital number, since it uses as much as digits as its factorization.

102131233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 102131233 is about 10105.9998515733. Note that the first 3 decimals coincide. The cubic root of 102131233 is about 467.4331672599.

Adding to 102131233 its reverse (332131201), we get a palindrome (434262434).

The spelling of 102131233 in words is "one hundred two million, one hundred thirty-one thousand, two hundred thirty-three".