214362431 has 4 divisors (see below), whose sum is σ = 214977000. Its totient is φ = 213747864.

The previous prime is 214362361. The next prime is 214362433. The reversal of 214362431 is 134263412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214362431 is a prime.

It is a super-2 number, since 2×214362431² = 91902503648459522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214362431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214362433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306761 + ... + 307458.

It is an arithmetic number, because the mean of its divisors is an integer number (53744250).

Almost surely, 2^214362431 is an apocalyptic number.

214362431 is a deficient number, since it is larger than the sum of its proper divisors (614569).

214362431 is an equidigital number, since it uses as much as digits as its factorization.

214362431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614568.

The product of its digits is 3456, while the sum is 26.

The square root of 214362431 is about 14641.1212343864. The cubic root of 214362431 is about 598.4798844075.

The spelling of 214362431 in words is "two hundred fourteen million, three hundred sixty-two thousand, four hundred thirty-one".