315100002240 has 84 divisors (see below), whose sum is σ = 1083812725944. Its totient is φ = 84026666496.

The previous prime is 315100002229. The next prime is 315100002241. The reversal of 315100002240 is 42200001513.

It is a super-2 number, since 2×315100002240² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315100002241) 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, 54701982 + ... + 54707741.

Almost surely, 2^315100002240 is an apocalyptic number.

315100002240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315100002240 is an abundant number, since it is smaller than the sum of its proper divisors (768712723704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315100002240 is a wasteful number, since it uses less digits than its factorization.

315100002240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109409746 (or 109409733 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 315100002240 its reverse (42200001513), we get a palindrome (357300003753).

The spelling of 315100002240 in words is "three hundred fifteen billion, one hundred million, two thousand, two hundred forty".