312203323302213 has 32 divisors (see below), whose sum is σ = 489140082450432. Its totient is φ = 173408379811200.

The previous prime is 312203323302197. The next prime is 312203323302239.

312203323302213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 312203323302213 - 2⁴ = 312203323302197 is a prime.

It is a super-2 number, since 2×312203323302213² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312203323302613) 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, 668780481 + ... + 669247142.

It is an arithmetic number, because the mean of its divisors is an integer number (15285627576576).

Almost surely, 2^{312203323302213} is an apocalyptic number.

It is an amenable number.

312203323302213 is a deficient number, since it is larger than the sum of its proper divisors (176936759148219).

312203323302213 is a wasteful number, since it uses less digits than its factorization.

312203323302213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338027945.

The product of its (nonzero) digits is 23328, while the sum is 30.

The spelling of 312203323302213 in words is "three hundred twelve trillion, two hundred three billion, three hundred twenty-three million, three hundred two thousand, two hundred thirteen".