10302230509 has 2 divisors, whose sum is σ = 10302230510. Its totient is φ = 10302230508.

The previous prime is 10302230479. The next prime is 10302230557. The reversal of 10302230509 is 90503220301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6547237225 + 3754993284 = 80915^2 + 61278^2 .

It is a cyclic number.

It is not a de Polignac number, because 10302230509 - 2³³ = 1712295917 is a prime.

It is a super-2 number, since 2×10302230509² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10302233509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5151115254 + 5151115255.

It is an arithmetic number, because the mean of its divisors is an integer number (5151115255).

Almost surely, 2^10302230509 is an apocalyptic number.

It is an amenable number.

10302230509 is a deficient number, since it is larger than the sum of its proper divisors (1).

10302230509 is an equidigital number, since it uses as much as digits as its factorization.

10302230509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 25.

The spelling of 10302230509 in words is "ten billion, three hundred two million, two hundred thirty thousand, five hundred nine".