331146061 has 8 divisors (see below), whose sum is σ = 345026304. Its totient is φ = 317465760.

The previous prime is 331146017. The next prime is 331146083. The reversal of 331146061 is 160641133.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331146061 - 2¹³ = 331137869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331146461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46600 + ... + 53233.

It is an arithmetic number, because the mean of its divisors is an integer number (43128288).

Almost surely, 2^331146061 is an apocalyptic number.

331146061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

331146061 is a deficient number, since it is larger than the sum of its proper divisors (13880243).

331146061 is a wasteful number, since it uses less digits than its factorization.

331146061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99971.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 331146061 is about 18197.4190752425. The cubic root of 331146061 is about 691.8413751211.

Adding to 331146061 its reverse (160641133), we get a palindrome (491787194).

The spelling of 331146061 in words is "three hundred thirty-one million, one hundred forty-six thousand, sixty-one".