214805331 has 32 divisors (see below), whose sum is σ = 343633920. Its totient is φ = 131831712.

The previous prime is 214805329. The next prime is 214805341. The reversal of 214805331 is 133508412.

It is a happy number.

It is not a de Polignac number, because 214805331 - 2¹ = 214805329 is a prime.

It is a super-2 number, since 2×214805331² = 92282660452039122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 214805295 and 214805304.

It is not an unprimeable number, because it can be changed into a prime (214805321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197070 + ... + 198156.

It is an arithmetic number, because the mean of its divisors is an integer number (10738560).

Almost surely, 2^214805331 is an apocalyptic number.

214805331 is a deficient number, since it is larger than the sum of its proper divisors (128828589).

214805331 is a wasteful number, since it uses less digits than its factorization.

214805331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 214805331 is about 14656.2386375222. The cubic root of 214805331 is about 598.8917793385.

The spelling of 214805331 in words is "two hundred fourteen million, eight hundred five thousand, three hundred thirty-one".