315211024240 has 160 divisors (see below), whose sum is σ = 852736599936. Its totient is φ = 106120212480.

The previous prime is 315211024229. The next prime is 315211024307. The reversal of 315211024240 is 42420112513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20932554 + ... + 20947606.

Almost surely, 2^315211024240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315211024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426368299968).

315211024240 is an abundant number, since it is smaller than the sum of its proper divisors (537525575696).

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

315211024240 is a wasteful number, since it uses less digits than its factorization.

315211024240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15747 (or 15741 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 315211024240 its reverse (42420112513), we get a palindrome (357631136753).

The spelling of 315211024240 in words is "three hundred fifteen billion, two hundred eleven million, twenty-four thousand, two hundred forty".