102739331 has 2 divisors, whose sum is σ = 102739332. Its totient is φ = 102739330.

The previous prime is 102739303. The next prime is 102739361. The reversal of 102739331 is 133937201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102739331 - 2¹⁴ = 102722947 is a prime.

It is a super-2 number, since 2×102739331² = 21110740268655122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102739294 and 102739303.

It is not a weakly prime, because it can be changed into another prime (102739361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51369665 + 51369666.

It is an arithmetic number, because the mean of its divisors is an integer number (51369666).

Almost surely, 2^102739331 is an apocalyptic number.

102739331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102739331 is an equidigital number, since it uses as much as digits as its factorization.

102739331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 102739331 is about 10136.0411897348. The cubic root of 102739331 is about 468.3590443058.

The spelling of 102739331 in words is "one hundred two million, seven hundred thirty-nine thousand, three hundred thirty-one".