315430429 has 2 divisors, whose sum is σ = 315430430. Its totient is φ = 315430428.

The previous prime is 315430421. The next prime is 315430459. The reversal of 315430429 is 924034513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 262504804 + 52925625 = 16202^2 + 7275^2 .

It is a cyclic number.

It is not a de Polignac number, because 315430429 - 2³ = 315430421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 315430429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315430421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157715214 + 157715215.

It is an arithmetic number, because the mean of its divisors is an integer number (157715215).

Almost surely, 2^315430429 is an apocalyptic number.

It is an amenable number.

315430429 is a deficient number, since it is larger than the sum of its proper divisors (1).

315430429 is an equidigital number, since it uses as much as digits as its factorization.

315430429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 315430429 is about 17760.3611731293. The cubic root of 315430429 is about 680.7189836188.

The spelling of 315430429 in words is "three hundred fifteen million, four hundred thirty thousand, four hundred twenty-nine".