214731133 has 4 divisors (see below), whose sum is σ = 215529660. Its totient is φ = 213932608.

The previous prime is 214731119. The next prime is 214731137. The reversal of 214731133 is 331137412.

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 24235929 + 190495204 = 4923^2 + 13802^2 .

It is a cyclic number.

It is not a de Polignac number, because 214731133 - 2¹³ = 214722941 is a prime.

It is a super-2 number, since 2×214731133² = 92218918958927378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214731098 and 214731107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214731137) 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, 398860 + ... + 399397.

It is an arithmetic number, because the mean of its divisors is an integer number (53882415).

Almost surely, 2^214731133 is an apocalyptic number.

It is an amenable number.

214731133 is a deficient number, since it is larger than the sum of its proper divisors (798527).

214731133 is an equidigital number, since it uses as much as digits as its factorization.

214731133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798526.

The product of its digits is 1512, while the sum is 25.

The square root of 214731133 is about 14653.7071418805. The cubic root of 214731133 is about 598.8228150513.

Adding to 214731133 its reverse (331137412), we get a palindrome (545868545).

The spelling of 214731133 in words is "two hundred fourteen million, seven hundred thirty-one thousand, one hundred thirty-three".