102331049 has 2 divisors, whose sum is σ = 102331050. Its totient is φ = 102331048.

The previous prime is 102331003. The next prime is 102331051. The reversal of 102331049 is 940133201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101868649 + 462400 = 10093^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 102331049 - 2¹² = 102326953 is a prime.

Together with 102331051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102331069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51165524 + 51165525.

It is an arithmetic number, because the mean of its divisors is an integer number (51165525).

Almost surely, 2^102331049 is an apocalyptic number.

It is an amenable number.

102331049 is a deficient number, since it is larger than the sum of its proper divisors (1).

102331049 is an equidigital number, since it uses as much as digits as its factorization.

102331049 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 square root of 102331049 is about 10115.8810293518. The cubic root of 102331049 is about 467.7378072723.

The spelling of 102331049 in words is "one hundred two million, three hundred thirty-one thousand, forty-nine".