214402031 has 8 divisors (see below), whose sum is σ = 218434944. Its totient is φ = 210403800.

The previous prime is 214401991. The next prime is 214402033. The reversal of 214402031 is 130204412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 214402031 - 2²² = 210207727 is a prime.

It is a super-2 number, since 2×214402031² = 91936461793849922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214402033) 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 7 ways as a sum of consecutive naturals, for example, 3980 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (27304368).

Almost surely, 2^214402031 is an apocalyptic number.

214402031 is a deficient number, since it is larger than the sum of its proper divisors (4032913).

214402031 is a wasteful number, since it uses less digits than its factorization.

214402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 214402031 is about 14642.4735273792. The cubic root of 214402031 is about 598.5167353054.

Adding to 214402031 its reverse (130204412), we get a palindrome (344606443).

The spelling of 214402031 in words is "two hundred fourteen million, four hundred two thousand, thirty-one".