315522231253402 has 8 divisors (see below), whose sum is σ = 474191760215412. Its totient is φ = 157458311181600.

The previous prime is 315522231253391. The next prime is 315522231253441. The reversal of 315522231253402 is 204352132225513.

It can be written as a sum of positive squares in 2 ways, for example, as 252759726699561 + 62762504553841 = 15898419^2 + 7922279^2 .

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, 151402221249 + ... + 151402223332.

Almost surely, 2^{315522231253402} is an apocalyptic number.

315522231253402 is a deficient number, since it is larger than the sum of its proper divisors (158669528962010).

315522231253402 is a wasteful number, since it uses less digits than its factorization.

315522231253402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302804445104.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 315522231253402 its reverse (204352132225513), we get a palindrome (519874363478915).

The spelling of 315522231253402 in words is "three hundred fifteen trillion, five hundred twenty-two billion, two hundred thirty-one million, two hundred fifty-three thousand, four hundred two".