315011251234261 has 4 divisors (see below), whose sum is σ = 319712911700512. Its totient is φ = 310309590768012.

The previous prime is 315011251234193. The next prime is 315011251234301. The reversal of 315011251234261 is 162432152110513.

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.

It is a cyclic number.

It is not a de Polignac number, because 315011251234261 - 2¹¹ = 315011251232213 is a prime.

It is a super-2 number, since 2×315011251234261² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 315011251234261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315011251238261) 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, 2350830233025 + ... + 2350830233158.

It is an arithmetic number, because the mean of its divisors is an integer number (79928227925128).

Almost surely, 2^{315011251234261} is an apocalyptic number.

It is an amenable number.

315011251234261 is a deficient number, since it is larger than the sum of its proper divisors (4701660466251).

315011251234261 is an equidigital number, since it uses as much as digits as its factorization.

315011251234261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701660466250.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 315011251234261 in words is "three hundred fifteen trillion, eleven billion, two hundred fifty-one million, two hundred thirty-four thousand, two hundred sixty-one".