331123481 has 8 divisors (see below), whose sum is σ = 361617984. Its totient is φ = 301346640.

The previous prime is 331123477. The next prime is 331123483. The reversal of 331123481 is 184321133.

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 331123481 - 2² = 331123477 is a prime.

It is a super-2 number, since 2×331123481² = 219285519339114722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331123481.

It is not an unprimeable number, because it can be changed into a prime (331123483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178451 + ... + 180296.

It is an arithmetic number, because the mean of its divisors is an integer number (45202248).

Almost surely, 2^331123481 is an apocalyptic number.

It is an amenable number.

331123481 is a deficient number, since it is larger than the sum of its proper divisors (30494503).

331123481 is a wasteful number, since it uses less digits than its factorization.

331123481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358831.

The product of its digits is 1728, while the sum is 26.

The square root of 331123481 is about 18196.7986470148. The cubic root of 331123481 is about 691.8256498011.

The spelling of 331123481 in words is "three hundred thirty-one million, one hundred twenty-three thousand, four hundred eighty-one".