214311197 has 4 divisors (see below), whose sum is σ = 226917756. Its totient is φ = 201704640.

The previous prime is 214311169. The next prime is 214311221. The reversal of 214311197 is 791113412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 150087001 + 64224196 = 12251^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 214311197 - 2⁶ = 214311133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214311397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6303254 + ... + 6303287.

It is an arithmetic number, because the mean of its divisors is an integer number (56729439).

Almost surely, 2^214311197 is an apocalyptic number.

It is an amenable number.

214311197 is a deficient number, since it is larger than the sum of its proper divisors (12606559).

214311197 is a wasteful number, since it uses less digits than its factorization.

214311197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12606558.

The product of its digits is 1512, while the sum is 29.

The square root of 214311197 is about 14639.3714687482. The cubic root of 214311197 is about 598.4322004275.

The spelling of 214311197 in words is "two hundred fourteen million, three hundred eleven thousand, one hundred ninety-seven".