315032523132 has 12 divisors (see below), whose sum is σ = 735075887336. Its totient is φ = 105010841040.

The previous prime is 315032523107. The next prime is 315032523139. The reversal of 315032523132 is 231325230513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 315032523132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315032523139) 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, 13126355119 + ... + 13126355142.

Almost surely, 2^315032523132 is an apocalyptic number.

It is an amenable number.

315032523132 is an abundant number, since it is smaller than the sum of its proper divisors (420043364204).

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

315032523132 is a wasteful number, since it uses less digits than its factorization.

315032523132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26252710268 (or 26252710266 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 315032523132 its reverse (231325230513), we get a palindrome (546357753645).

The spelling of 315032523132 in words is "three hundred fifteen billion, thirty-two million, five hundred twenty-three thousand, one hundred thirty-two".