315620201 has 16 divisors (see below), whose sum is σ = 343683648. Its totient is φ = 288120000.

The previous prime is 315620197. The next prime is 315620213. The reversal of 315620201 is 102026513.

It is a cyclic number.

It is not a de Polignac number, because 315620201 - 2² = 315620197 is a prime.

It is a super-2 number, since 2×315620201² = 199232222558560802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315620231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642566 + ... + 643056.

It is an arithmetic number, because the mean of its divisors is an integer number (21480228).

Almost surely, 2^315620201 is an apocalyptic number.

It is an amenable number.

315620201 is a deficient number, since it is larger than the sum of its proper divisors (28063447).

315620201 is a wasteful number, since it uses less digits than its factorization.

315620201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 315620201 is about 17765.7029413418. The cubic root of 315620201 is about 680.8554696109.

Adding to 315620201 its reverse (102026513), we get a palindrome (417646714).

The spelling of 315620201 in words is "three hundred fifteen million, six hundred twenty thousand, two hundred one".