214311091 has 8 divisors (see below), whose sum is σ = 224528384. Its totient is φ = 204300360.

The previous prime is 214311047. The next prime is 214311109. The reversal of 214311091 is 190113412.

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 214311091 - 2¹³ = 214302899 is a prime.

It is a super-2 number, since 2×214311091² = 91858487451220562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214311001) 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, 49515 + ... + 53668.

It is an arithmetic number, because the mean of its divisors is an integer number (28066048).

Almost surely, 2^214311091 is an apocalyptic number.

214311091 is a deficient number, since it is larger than the sum of its proper divisors (10217293).

214311091 is a wasteful number, since it uses less digits than its factorization.

214311091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103281.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 214311091 is about 14639.3678483738. The cubic root of 214311091 is about 598.4321017644.

It can be divided in two parts, 21431 and 1091, that added together give a palindrome (22522).

The spelling of 214311091 in words is "two hundred fourteen million, three hundred eleven thousand, ninety-one".