315232434544 has 20 divisors (see below), whose sum is σ = 619129458496. Its totient is φ = 155457090432.

The previous prime is 315232434509. The next prime is 315232434547. The reversal of 315232434544 is 445434232513.

It is a junction number, because it is equal to n+sod(n) for n = 315232434497 and 315232434506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315232434547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134944224 + ... + 134946559.

Almost surely, 2^315232434544 is an apocalyptic number.

It is an amenable number.

315232434544 is a deficient number, since it is larger than the sum of its proper divisors (303897023952).

315232434544 is a wasteful number, since it uses less digits than its factorization.

315232434544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269890864 (or 269890858 counting only the distinct ones).

The product of its digits is 691200, while the sum is 40.

The spelling of 315232434544 in words is "three hundred fifteen billion, two hundred thirty-two million, four hundred thirty-four thousand, five hundred forty-four".