312032001213 has 6 divisors (see below), whose sum is σ = 450712890654. Its totient is φ = 208021334136.

The previous prime is 312032001187. The next prime is 312032001223. The reversal of 312032001213 is 312100230213.

It can be written as a sum of positive squares in only one way, i.e., 281448287289 + 30583713924 = 530517^2 + 174882^2 .

It is not a de Polignac number, because 312032001213 - 2⁸ = 312032000957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312032001223) 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, 17335111170 + ... + 17335111187.

It is an arithmetic number, because the mean of its divisors is an integer number (75118815109).

Almost surely, 2^312032001213 is an apocalyptic number.

It is an amenable number.

312032001213 is a deficient number, since it is larger than the sum of its proper divisors (138680889441).

312032001213 is a wasteful number, since it uses less digits than its factorization.

312032001213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34670222363 (or 34670222360 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 312032001213 its reverse (312100230213), we get a palindrome (624132231426).

The spelling of 312032001213 in words is "three hundred twelve billion, thirty-two million, one thousand, two hundred thirteen".