214616431 has 2 divisors, whose sum is σ = 214616432. Its totient is φ = 214616430.

The previous prime is 214616401. The next prime is 214616489. The reversal of 214616431 is 134616412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214616431 - 2⁵ = 214616399 is a prime.

It is a super-2 number, since 2×214616431² = 92120424910355522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214616431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214616401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107308215 + 107308216.

It is an arithmetic number, because the mean of its divisors is an integer number (107308216).

Almost surely, 2^214616431 is an apocalyptic number.

214616431 is a deficient number, since it is larger than the sum of its proper divisors (1).

214616431 is an equidigital number, since it uses as much as digits as its factorization.

214616431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 214616431 is about 14649.7928654299. The cubic root of 214616431 is about 598.7161725303.

The spelling of 214616431 in words is "two hundred fourteen million, six hundred sixteen thousand, four hundred thirty-one".