315032355421 has 32 divisors (see below), whose sum is σ = 371311902720. Its totient is φ = 261677896704.

The previous prime is 315032355409. The next prime is 315032355427. The reversal of 315032355421 is 124553230513.

It is not a de Polignac number, because 315032355421 - 2⁵ = 315032355389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315032355427) 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 31 ways as a sum of consecutive naturals, for example, 22242540 + ... + 22256698.

It is an arithmetic number, because the mean of its divisors is an integer number (11603496960).

Almost surely, 2^315032355421 is an apocalyptic number.

It is an amenable number.

315032355421 is a deficient number, since it is larger than the sum of its proper divisors (56279547299).

315032355421 is a wasteful number, since it uses less digits than its factorization.

315032355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14785.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 315032355421 its reverse (124553230513), we get a palindrome (439585585934).

The spelling of 315032355421 in words is "three hundred fifteen billion, thirty-two million, three hundred fifty-five thousand, four hundred twenty-one".