214445031 has 8 divisors (see below), whose sum is σ = 298358400. Its totient is φ = 136747512.

The previous prime is 214445027. The next prime is 214445041. The reversal of 214445031 is 130544412.

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

It is not a de Polignac number, because 214445031 - 2² = 214445027 is a prime.

It is a super-2 number, since 2×214445031² = 91973342641181922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214444992 and 214445010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214445041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1553881 + ... + 1554018.

It is an arithmetic number, because the mean of its divisors is an integer number (37294800).

Almost surely, 2^214445031 is an apocalyptic number.

214445031 is a deficient number, since it is larger than the sum of its proper divisors (83913369).

214445031 is a wasteful number, since it uses less digits than its factorization.

214445031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107925.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 214445031 is about 14643.9417849157. The cubic root of 214445031 is about 598.5567450310.

Adding to 214445031 its reverse (130544412), we get a palindrome (344989443).

The spelling of 214445031 in words is "two hundred fourteen million, four hundred forty-five thousand, thirty-one".