315254121233501 has 4 divisors (see below), whose sum is σ = 316562229620604. Its totient is φ = 313946012846400.

The previous prime is 315254121233497. The next prime is 315254121233509. The reversal of 315254121233501 is 105332121452513.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 261129407931001 + 54124713302500 = 16159499^2 + 7356950^2 .

It is a cyclic number.

It is not a de Polignac number, because 315254121233501 - 2² = 315254121233497 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 (315254121233509) 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, 654054193190 + ... + 654054193671.

It is an arithmetic number, because the mean of its divisors is an integer number (79140557405151).

Almost surely, 2^{315254121233501} is an apocalyptic number.

It is an amenable number.

315254121233501 is a deficient number, since it is larger than the sum of its proper divisors (1308108387103).

315254121233501 is a wasteful number, since it uses less digits than its factorization.

315254121233501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308108387102.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 315254121233501 in words is "three hundred fifteen trillion, two hundred fifty-four billion, one hundred twenty-one million, two hundred thirty-three thousand, five hundred one".