315152310443 has 2 divisors, whose sum is σ = 315152310444. Its totient is φ = 315152310442.

The previous prime is 315152310379. The next prime is 315152310461. The reversal of 315152310443 is 344013251513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315152310443 - 2⁶ = 315152310379 is a prime.

It is a super-2 number, since 2×315152310443² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315152310463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157576155221 + 157576155222.

It is an arithmetic number, because the mean of its divisors is an integer number (157576155222).

Almost surely, 2^315152310443 is an apocalyptic number.

315152310443 is a deficient number, since it is larger than the sum of its proper divisors (1).

315152310443 is an equidigital number, since it uses as much as digits as its factorization.

315152310443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 315152310443 its reverse (344013251513), we get a palindrome (659165561956).

The spelling of 315152310443 in words is "three hundred fifteen billion, one hundred fifty-two million, three hundred ten thousand, four hundred forty-three".