315101253 has 4 divisors (see below), whose sum is σ = 420135008. Its totient is φ = 210067500.

The previous prime is 315101251. The next prime is 315101309. The reversal of 315101253 is 352101513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352101513 = 3 ⋅117367171.

It is not a de Polignac number, because 315101253 - 2¹ = 315101251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315101251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52516873 + ... + 52516878.

It is an arithmetic number, because the mean of its divisors is an integer number (105033752).

Almost surely, 2^315101253 is an apocalyptic number.

It is an amenable number.

315101253 is a deficient number, since it is larger than the sum of its proper divisors (105033755).

315101253 is a wasteful number, since it uses less digits than its factorization.

315101253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105033754.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 315101253 is about 17751.0916002369. The cubic root of 315101253 is about 680.4821069324.

Adding to 315101253 its reverse (352101513), we get a palindrome (667202766).

The spelling of 315101253 in words is "three hundred fifteen million, one hundred one thousand, two hundred fifty-three".