312230201 has 4 divisors (see below), whose sum is σ = 313526004. Its totient is φ = 310934400.

The previous prime is 312230197. The next prime is 312230257. The reversal of 312230201 is 102032213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102032213 = 79 ⋅1291547.

It can be written as a sum of positive squares in 2 ways, for example, as 221980201 + 90250000 = 14899^2 + 9500^2 .

It is a cyclic number.

It is not a de Polignac number, because 312230201 - 2² = 312230197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312235201) 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, 647540 + ... + 648021.

It is an arithmetic number, because the mean of its divisors is an integer number (78381501).

Almost surely, 2^312230201 is an apocalyptic number.

It is an amenable number.

312230201 is a deficient number, since it is larger than the sum of its proper divisors (1295803).

312230201 is a wasteful number, since it uses less digits than its factorization.

312230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295802.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 312230201 is about 17670.0368137704. The cubic root of 312230201 is about 678.4090553438.

Adding to 312230201 its reverse (102032213), we get a palindrome (414262414).

The spelling of 312230201 in words is "three hundred twelve million, two hundred thirty thousand, two hundred one".