312233134213 has 32 divisors (see below), whose sum is σ = 419288389632. Its totient is φ = 224547768000.

The previous prime is 312233134193. The next prime is 312233134243. The reversal of 312233134213 is 312431332213.

It is a cyclic number.

It is not a de Polignac number, because 312233134213 - 2⁵ = 312233134181 is a prime.

It is a super-2 number, since 2×312233134213² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312233134243) 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, 7437520 + ... + 7479382.

It is an arithmetic number, because the mean of its divisors is an integer number (13102762176).

Almost surely, 2^312233134213 is an apocalyptic number.

It is an amenable number.

312233134213 is a deficient number, since it is larger than the sum of its proper divisors (107055255419).

312233134213 is a wasteful number, since it uses less digits than its factorization.

312233134213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49345.

The product of its digits is 7776, while the sum is 28.

Adding to 312233134213 its reverse (312431332213), we get a palindrome (624664466426).

The spelling of 312233134213 in words is "three hundred twelve billion, two hundred thirty-three million, one hundred thirty-four thousand, two hundred thirteen".