315421031242322 has 8 divisors (see below), whose sum is σ = 489446427789900. Its totient is φ = 152272221979024.

The previous prime is 315421031242259. The next prime is 315421031242333. The reversal of 315421031242322 is 223242130124513.

It can be written as a sum of positive squares in 2 ways, for example, as 274044219426961 + 41376811815361 = 16554281^2 + 6432481^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2719146820997 + ... + 2719146821112.

Almost surely, 2^{315421031242322} is an apocalyptic number.

315421031242322 is a deficient number, since it is larger than the sum of its proper divisors (174025396547578).

315421031242322 is a wasteful number, since it uses less digits than its factorization.

315421031242322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438293642140.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 315421031242322 its reverse (223242130124513), we get a palindrome (538663161366835).

The spelling of 315421031242322 in words is "three hundred fifteen trillion, four hundred twenty-one billion, thirty-one million, two hundred forty-two thousand, three hundred twenty-two".