315224403412421 has 8 divisors (see below), whose sum is σ = 316178530182144. Its totient is φ = 314270959385920.

The previous prime is 315224403412393. The next prime is 315224403412439. The reversal of 315224403412421 is 124214304422513.

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

It is a cyclic number.

It is not a de Polignac number, because 315224403412421 - 2¹⁴ = 315224403396037 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 (315224409412421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169760996 + ... + 171607821.

It is an arithmetic number, because the mean of its divisors is an integer number (39522316272768).

Almost surely, 2^{315224403412421} is an apocalyptic number.

It is an amenable number.

315224403412421 is a deficient number, since it is larger than the sum of its proper divisors (954126769723).

315224403412421 is a wasteful number, since it uses less digits than its factorization.

315224403412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341371611.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 315224403412421 its reverse (124214304422513), we get a palindrome (439438707834934).

The spelling of 315224403412421 in words is "three hundred fifteen trillion, two hundred twenty-four billion, four hundred three million, four hundred twelve thousand, four hundred twenty-one".