102302431409 has 2 divisors, whose sum is σ = 102302431410. Its totient is φ = 102302431408.

The previous prime is 102302431403. The next prime is 102302431433. The reversal of 102302431409 is 904134203201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101566503025 + 735928384 = 318695^2 + 27128^2 .

It is a cyclic number.

It is not a de Polignac number, because 102302431409 - 2²⁴ = 102285654193 is a prime.

It is not a weakly prime, because it can be changed into another prime (102302431403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51151215704 + 51151215705.

It is an arithmetic number, because the mean of its divisors is an integer number (51151215705).

Almost surely, 2^102302431409 is an apocalyptic number.

It is an amenable number.

102302431409 is a deficient number, since it is larger than the sum of its proper divisors (1).

102302431409 is an equidigital number, since it uses as much as digits as its factorization.

102302431409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 102302431409 in words is "one hundred two billion, three hundred two million, four hundred thirty-one thousand, four hundred nine".