212370313 has 4 divisors (see below), whose sum is σ = 212404608. Its totient is φ = 212336020.

The previous prime is 212370251. The next prime is 212370331. The reversal of 212370313 is 313073212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212370313 - 2²⁵ = 178815881 is a prime.

It is a super-2 number, since 2×212370313² = 90202299687435938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212370373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4981 + ... + 21202.

It is an arithmetic number, because the mean of its divisors is an integer number (53101152).

Almost surely, 2^212370313 is an apocalyptic number.

It is an amenable number.

212370313 is a deficient number, since it is larger than the sum of its proper divisors (34295).

212370313 is an equidigital number, since it uses as much as digits as its factorization.

212370313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34294.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 212370313 is about 14572.9308308247. The cubic root of 212370313 is about 596.6201757658.

The spelling of 212370313 in words is "two hundred twelve million, three hundred seventy thousand, three hundred thirteen".