315453236621206 has 8 divisors (see below), whose sum is σ = 473478768300384. Its totient is φ = 157626980521080.

The previous prime is 315453236621177. The next prime is 315453236621207. The reversal of 315453236621206 is 602126632354513.

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

It is a super-2 number, since 2×315453236621206² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315453236621206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315453236621207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49818890805 + ... + 49818897136.

It is an arithmetic number, because the mean of its divisors is an integer number (59184846037548).

Almost surely, 2^{315453236621206} is an apocalyptic number.

315453236621206 is a deficient number, since it is larger than the sum of its proper divisors (158025531679178).

315453236621206 is a wasteful number, since it uses less digits than its factorization.

315453236621206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99637789526.

The product of its (nonzero) digits is 4665600, while the sum is 49.

Adding to 315453236621206 its reverse (602126632354513), we get a palindrome (917579868975719).

The spelling of 315453236621206 in words is "three hundred fifteen trillion, four hundred fifty-three billion, two hundred thirty-six million, six hundred twenty-one thousand, two hundred six".