315200077213 has 6 divisors (see below), whose sum is σ = 366661314366. Its totient is φ = 270171494712.

The previous prime is 315200077177. The next prime is 315200077217. The reversal of 315200077213 is 312770002513.

It can be written as a sum of positive squares in only one way, i.e., 310113106884 + 5086970329 = 556878^2 + 71323^2 .

It is not a de Polignac number, because 315200077213 - 2¹⁷ = 315199946141 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 (315200077217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3216327270 + ... + 3216327367.

It is an arithmetic number, because the mean of its divisors is an integer number (61110219061).

Almost surely, 2^315200077213 is an apocalyptic number.

It is an amenable number.

315200077213 is a deficient number, since it is larger than the sum of its proper divisors (51461237153).

315200077213 is an equidigital number, since it uses as much as digits as its factorization.

315200077213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432654651 (or 6432654644 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

Adding to 315200077213 its reverse (312770002513), we get a palindrome (627970079726).

The spelling of 315200077213 in words is "three hundred fifteen billion, two hundred million, seventy-seven thousand, two hundred thirteen".