214220131 has 4 divisors (see below), whose sum is σ = 215658000. Its totient is φ = 212782264.

The previous prime is 214220107. The next prime is 214220141. The reversal of 214220131 is 131022412.

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

It is a cyclic number.

It is not a de Polignac number, because 214220131 - 2¹⁹ = 213695843 is a prime.

It is a super-2 number, since 2×214220131² = 91780529051314322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214220101) 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, 718711 + ... + 719008.

It is an arithmetic number, because the mean of its divisors is an integer number (53914500).

Almost surely, 2^214220131 is an apocalyptic number.

214220131 is a deficient number, since it is larger than the sum of its proper divisors (1437869).

214220131 is a wasteful number, since it uses less digits than its factorization.

214220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437868.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 214220131 is about 14636.2608271375. The cubic root of 214220131 is about 598.3474256571.

Adding to 214220131 its reverse (131022412), we get a palindrome (345242543).

The spelling of 214220131 in words is "two hundred fourteen million, two hundred twenty thousand, one hundred thirty-one".