331664141 has 4 divisors (see below), whose sum is σ = 331752732. Its totient is φ = 331575552.

The previous prime is 331664119. The next prime is 331664167. The reversal of 331664141 is 141466133.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 283417225 + 48246916 = 16835^2 + 6946^2 .

It is a cyclic number.

It is not a de Polignac number, because 331664141 - 2⁶ = 331664077 is a prime.

It is a super-2 number, since 2×331664141² = 220002204850535762, which 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 (331664191) 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, 38420 + ... + 46253.

It is an arithmetic number, because the mean of its divisors is an integer number (82938183).

Almost surely, 2^331664141 is an apocalyptic number.

It is an amenable number.

331664141 is a deficient number, since it is larger than the sum of its proper divisors (88591).

331664141 is an equidigital number, since it uses as much as digits as its factorization.

331664141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88590.

The product of its digits is 5184, while the sum is 29.

The square root of 331664141 is about 18211.6484975963. The cubic root of 331664141 is about 692.2019837896.

The spelling of 331664141 in words is "three hundred thirty-one million, six hundred sixty-four thousand, one hundred forty-one".