1230313439 has 2 divisors, whose sum is σ = 1230313440. Its totient is φ = 1230313438.

The previous prime is 1230313417. The next prime is 1230313451. The reversal of 1230313439 is 9343130321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230313439 - 2¹² = 1230309343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230313339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615156719 + 615156720.

It is an arithmetic number, because the mean of its divisors is an integer number (615156720).

Almost surely, 2^1230313439 is an apocalyptic number.

1230313439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230313439 is an equidigital number, since it uses as much as digits as its factorization.

1230313439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1230313439 is about 35075.8241385716. The cubic root of 1230313439 is about 1071.5322732023.

The spelling of 1230313439 in words is "one billion, two hundred thirty million, three hundred thirteen thousand, four hundred thirty-nine".