331061005 has 16 divisors (see below), whose sum is σ = 433882944. Its totient is φ = 240497280.

The previous prime is 331060991. The next prime is 331061053. The reversal of 331061005 is 500160133.

It is not a de Polignac number, because 331061005 - 2¹⁵ = 331028237 is a prime.

It is a super-2 number, since 2×331061005² = 219202778063220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 53902 + ... + 59728.

It is an arithmetic number, because the mean of its divisors is an integer number (27117684).

Almost surely, 2^331061005 is an apocalyptic number.

It is an amenable number.

331061005 is a deficient number, since it is larger than the sum of its proper divisors (102821939).

331061005 is a wasteful number, since it uses less digits than its factorization.

331061005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 331061005 is about 18195.0818904450. The cubic root of 331061005 is about 691.7821361066.

The spelling of 331061005 in words is "three hundred thirty-one million, sixty-one thousand, five".