312230101213 has 4 divisors (see below), whose sum is σ = 312258551040. Its totient is φ = 312201651388.

The previous prime is 312230101207. The next prime is 312230101217. The reversal of 312230101213 is 312101032213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312230101213 - 2⁵ = 312230101181 is a prime.

It is a super-2 number, since 2×312230101213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230101217) 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, 14208445 + ... + 14230402.

It is an arithmetic number, because the mean of its divisors is an integer number (78064637760).

Almost surely, 2^312230101213 is an apocalyptic number.

It is an amenable number.

312230101213 is a deficient number, since it is larger than the sum of its proper divisors (28449827).

312230101213 is a wasteful number, since it uses less digits than its factorization.

312230101213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28449826.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312230101213 its reverse (312101032213), we get a palindrome (624331133426).

The spelling of 312230101213 in words is "three hundred twelve billion, two hundred thirty million, one hundred one thousand, two hundred thirteen".