312211112213 has 32 divisors (see below), whose sum is σ = 419418397440. Its totient is φ = 224446440960.

The previous prime is 312211112207. The next prime is 312211112233.

312211112213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312211112213 - 2⁶ = 312211112149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312211112203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1795793 + ... + 1961961.

It is an arithmetic number, because the mean of its divisors is an integer number (13106824920).

Almost surely, 2^312211112213 is an apocalyptic number.

It is an amenable number.

312211112213 is a deficient number, since it is larger than the sum of its proper divisors (107207285227).

312211112213 is a wasteful number, since it uses less digits than its factorization.

312211112213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168077.

The product of its digits is 144, while the sum is 20.

It can be divided in two parts, 312211 and 112213, that added together give a palindrome (424424).

The spelling of 312211112213 in words is "three hundred twelve billion, two hundred eleven million, one hundred twelve thousand, two hundred thirteen".