331014132 has 18 divisors (see below), whose sum is σ = 836730258. Its totient is φ = 110338032.

The previous prime is 331014127. The next prime is 331014133. The reversal of 331014132 is 231410133.

It can be written as a sum of positive squares in only one way, i.e., 307160676 + 23853456 = 17526^2 + 4884^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331014133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4597383 + ... + 4597454.

Almost surely, 2^331014132 is an apocalyptic number.

It is an amenable number.

331014132 is an abundant number, since it is smaller than the sum of its proper divisors (505716126).

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

331014132 is a wasteful number, since it uses less digits than its factorization.

331014132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9194847 (or 9194842 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 331014132 is about 18193.7937769999. The cubic root of 331014132 is about 691.7494860975.

Adding to 331014132 its reverse (231410133), we get a palindrome (562424265).

The spelling of 331014132 in words is "three hundred thirty-one million, fourteen thousand, one hundred thirty-two".