315115240213231 has 8 divisors (see below), whose sum is σ = 315138769905024. Its totient is φ = 315091711121880.

The previous prime is 315115240213229. The next prime is 315115240213237. The reversal of 315115240213231 is 132312042511513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315115240213231 - 2¹ = 315115240213229 is a prime.

It is a super-2 number, since 2×315115240213231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315115240213237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770788446 + ... + 1770966388.

It is an arithmetic number, because the mean of its divisors is an integer number (39392346238128).

Almost surely, 2^{315115240213231} is an apocalyptic number.

315115240213231 is a deficient number, since it is larger than the sum of its proper divisors (23529691793).

315115240213231 is a wasteful number, since it uses less digits than its factorization.

315115240213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300221.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 315115240213231 its reverse (132312042511513), we get a palindrome (447427282724744).

The spelling of 315115240213231 in words is "three hundred fifteen trillion, one hundred fifteen billion, two hundred forty million, two hundred thirteen thousand, two hundred thirty-one".