315520044032346 has 32 divisors (see below), whose sum is σ = 672584994557568. Its totient is φ = 98331139545600.

The previous prime is 315520044032339. The next prime is 315520044032377. The reversal of 315520044032346 is 643230440025513.

It is a junction number, because it is equal to n+sod(n) for n = 315520044032298 and 315520044032307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10242811635 + ... + 10242842438.

It is an arithmetic number, because the mean of its divisors is an integer number (21018281079924).

Almost surely, 2^{315520044032346} is an apocalyptic number.

315520044032346 is an abundant number, since it is smaller than the sum of its proper divisors (357064950525222).

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

315520044032346 is a wasteful number, since it uses less digits than its factorization.

315520044032346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20485654246.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 315520044032346 its reverse (643230440025513), we get a palindrome (958750484057859).

The spelling of 315520044032346 in words is "three hundred fifteen trillion, five hundred twenty billion, forty-four million, thirty-two thousand, three hundred forty-six".