214930165631 has 4 divisors (see below), whose sum is σ = 214951835352. Its totient is φ = 214908495912.

The previous prime is 214930165627. The next prime is 214930165633. The reversal of 214930165631 is 136561039412.

It is a happy number.

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 214930165631 - 2² = 214930165627 is a prime.

It is a super-2 number, since 2×214930165631² (a number of 23 digits) 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 (214930165633) 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, 10819976 + ... + 10839821.

It is an arithmetic number, because the mean of its divisors is an integer number (53737958838).

Almost surely, 2^214930165631 is an apocalyptic number.

214930165631 is a deficient number, since it is larger than the sum of its proper divisors (21669721).

214930165631 is an equidigital number, since it uses as much as digits as its factorization.

214930165631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21669720.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 214930165631 in words is "two hundred fourteen billion, nine hundred thirty million, one hundred sixty-five thousand, six hundred thirty-one".