315244429 has 2 divisors, whose sum is σ = 315244430. Its totient is φ = 315244428.

The previous prime is 315244411. The next prime is 315244439. The reversal of 315244429 is 924442513.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 278823204 + 36421225 = 16698^2 + 6035^2 .

It is an emirp because it is prime and its reverse (924442513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 315244429 - 2¹¹ = 315242381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315244394 and 315244403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315244439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157622214 + 157622215.

It is an arithmetic number, because the mean of its divisors is an integer number (157622215).

Almost surely, 2^315244429 is an apocalyptic number.

It is an amenable number.

315244429 is a deficient number, since it is larger than the sum of its proper divisors (1).

315244429 is an equidigital number, since it uses as much as digits as its factorization.

315244429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 315244429 is about 17755.1240209693. The cubic root of 315244429 is about 680.5851573566.

It can be divided in two parts, 31524 and 4429, that added together give a palindrome (35953).

The spelling of 315244429 in words is "three hundred fifteen million, two hundred forty-four thousand, four hundred twenty-nine".