214190631 has 18 divisors (see below), whose sum is σ = 312221832. Its totient is φ = 141490800.

The previous prime is 214190623. The next prime is 214190653. The reversal of 214190631 is 136091412.

214190631 is a `hidden beast` number, since 2 + 14 + 19 + 0 + 631 = 666.

It is not a de Polignac number, because 214190631 - 2³ = 214190623 is a prime.

It is a super-2 number, since 2×214190631² = 91755252816356322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214190595 and 214190604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214190621) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 539325 + ... + 539721.

Almost surely, 2^214190631 is an apocalyptic number.

214190631 is a deficient number, since it is larger than the sum of its proper divisors (98031201).

214190631 is an equidigital number, since it uses as much as digits as its factorization.

214190631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 214190631 is about 14635.2530213864. The cubic root of 214190631 is about 598.3199584916.

The spelling of 214190631 in words is "two hundred fourteen million, one hundred ninety thousand, six hundred thirty-one".