315135253001 has 12 divisors (see below), whose sum is σ = 322148660868. Its totient is φ = 308271485472.

The previous prime is 315135252983. The next prime is 315135253007. The reversal of 315135253001 is 100352531513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104926757776 + 210208495225 = 323924^2 + 458485^2 .

It is not a de Polignac number, because 315135253001 - 2⁶ = 315135252937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315135253007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4375655 + ... + 4447091.

It is an arithmetic number, because the mean of its divisors is an integer number (26845721739).

Almost surely, 2^315135253001 is an apocalyptic number.

It is an amenable number.

315135253001 is a deficient number, since it is larger than the sum of its proper divisors (7013407867).

315135253001 is an equidigital number, since it uses as much as digits as its factorization.

315135253001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73528 (or 73481 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 315135253001 its reverse (100352531513), we get a palindrome (415487784514).

The spelling of 315135253001 in words is "three hundred fifteen billion, one hundred thirty-five million, two hundred fifty-three thousand, one".