330142031 has 4 divisors (see below), whose sum is σ = 335069592. Its totient is φ = 325214472.

The previous prime is 330142019. The next prime is 330142039. The reversal of 330142031 is 130241033.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330142031 is a prime.

It is a super-2 number, since 2×330142031² = 217987521265609922, 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 (330142039) 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, 2463680 + ... + 2463813.

It is an arithmetic number, because the mean of its divisors is an integer number (83767398).

Almost surely, 2^330142031 is an apocalyptic number.

330142031 is a deficient number, since it is larger than the sum of its proper divisors (4927561).

330142031 is an equidigital number, since it uses as much as digits as its factorization.

330142031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927560.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 330142031 is about 18169.8109786536. The cubic root of 330142031 is about 691.1414496218.

Adding to 330142031 its reverse (130241033), we get a palindrome (460383064).

The spelling of 330142031 in words is "three hundred thirty million, one hundred forty-two thousand, thirty-one".