214311132 has 72 divisors (see below), whose sum is σ = 620468576. Its totient is φ = 61098624.

The previous prime is 214311109. The next prime is 214311133. The reversal of 214311132 is 231113412.

It is a super-2 number, since 2×214311132² = 91858522598242848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214311133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214458 + ... + 215454.

Almost surely, 2^214311132 is an apocalyptic number.

It is an amenable number.

214311132 is an abundant number, since it is smaller than the sum of its proper divisors (406157444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214311132 is a wasteful number, since it uses less digits than its factorization.

214311132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1862 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 214311132 is about 14639.3692487074. The cubic root of 214311132 is about 598.4321399266.

Adding to 214311132 its reverse (231113412), we get a palindrome (445424544).

The spelling of 214311132 in words is "two hundred fourteen million, three hundred eleven thousand, one hundred thirty-two".