312033213197 has 16 divisors (see below), whose sum is σ = 320175989568. Its totient is φ = 303991860480.

The previous prime is 312033213187. The next prime is 312033213209. The reversal of 312033213197 is 791312330213.

It is a cyclic number.

It is not a de Polignac number, because 312033213197 - 2¹⁶ = 312033147661 is a prime.

It is a super-2 number, since 2×312033213197² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312033213187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10483178 + ... + 10512900.

It is an arithmetic number, because the mean of its divisors is an integer number (20010999348).

Almost surely, 2^312033213197 is an apocalyptic number.

It is an amenable number.

312033213197 is a deficient number, since it is larger than the sum of its proper divisors (8142776371).

312033213197 is a wasteful number, since it uses less digits than its factorization.

312033213197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31420.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 312033213197 in words is "three hundred twelve billion, thirty-three million, two hundred thirteen thousand, one hundred ninety-seven".