331441142 has 4 divisors (see below), whose sum is σ = 497161716. Its totient is φ = 165720570.

The previous prime is 331441139. The next prime is 331441177. The reversal of 331441142 is 241144133.

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

It is a super-2 number, since 2×331441142² = 219706461220528328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82860284 + ... + 82860287.

It is an arithmetic number, because the mean of its divisors is an integer number (124290429).

Almost surely, 2^331441142 is an apocalyptic number.

331441142 is a deficient number, since it is larger than the sum of its proper divisors (165720574).

331441142 is a wasteful number, since it uses less digits than its factorization.

331441142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165720573.

The product of its digits is 1152, while the sum is 23.

The square root of 331441142 is about 18205.5250404925. The cubic root of 331441142 is about 692.0468117953.

Adding to 331441142 its reverse (241144133), we get a palindrome (572585275).

The spelling of 331441142 in words is "three hundred thirty-one million, four hundred forty-one thousand, one hundred forty-two".