312312213213 has 96 divisors (see below), whose sum is σ = 587447304192. Its totient is φ = 144928828800.

The previous prime is 312312213211. The next prime is 312312213223.

312312213213 is nontrivially palindromic in base 10.

312312213213 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 312312213213 - 2¹ = 312312213211 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312312213211) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 412020 + ... + 891282.

It is an arithmetic number, because the mean of its divisors is an integer number (6119242752).

Almost surely, 2^312312213213 is an apocalyptic number.

312312213213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

312312213213 is a deficient number, since it is larger than the sum of its proper divisors (275135090979).

312312213213 is a wasteful number, since it uses less digits than its factorization.

312312213213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479335 (or 479328 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

It can be divided in two parts, 312312 and 213213, that added together give a palindrome (525525).

The spelling of 312312213213 in words is "three hundred twelve billion, three hundred twelve million, two hundred thirteen thousand, two hundred thirteen".