315032312240 has 20 divisors (see below), whose sum is σ = 732450126144. Its totient is φ = 126012924864.

The previous prime is 315032312233. The next prime is 315032312263. The reversal of 315032312240 is 42213230513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968951872 + ... + 1968952031.

Almost surely, 2^315032312240 is an apocalyptic number.

It is an amenable number.

315032312240 is an abundant number, since it is smaller than the sum of its proper divisors (417417813904).

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

315032312240 is a wasteful number, since it uses less digits than its factorization.

315032312240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937903916 (or 3937903910 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 315032312240 its reverse (42213230513), we get a palindrome (357245542753).

The spelling of 315032312240 in words is "three hundred fifteen billion, thirty-two million, three hundred twelve thousand, two hundred forty".