312310012201 has 6 divisors (see below), whose sum is σ = 343282906106. Its totient is φ = 283918192800.

The previous prime is 312310012193. The next prime is 312310012207. The reversal of 312310012201 is 102210013213.

It can be written as a sum of positive squares in only one way, i.e., 272822360976 + 39487651225 = 522324^2 + 198715^2 .

It is not a de Polignac number, because 312310012201 - 2³ = 312310012193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312310012207) 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, 1290537120 + ... + 1290537361.

Almost surely, 2^312310012201 is an apocalyptic number.

It is an amenable number.

312310012201 is a deficient number, since it is larger than the sum of its proper divisors (30972893905).

312310012201 is a wasteful number, since it uses less digits than its factorization.

312310012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581074503 (or 2581074492 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312310012201 its reverse (102210013213), we get a palindrome (414520025414).

The spelling of 312310012201 in words is "three hundred twelve billion, three hundred ten million, twelve thousand, two hundred one".