331041043 has 4 divisors (see below), whose sum is σ = 331315168. Its totient is φ = 330766920.

The previous prime is 331041023. The next prime is 331041049. The reversal of 331041043 is 340140133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340140133 = 59 ⋅5765087.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331041043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331041043.

It is not an unprimeable number, because it can be changed into a prime (331041049) 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, 135243 + ... + 137668.

It is an arithmetic number, because the mean of its divisors is an integer number (82828792).

Almost surely, 2^331041043 is an apocalyptic number.

331041043 is a deficient number, since it is larger than the sum of its proper divisors (274125).

331041043 is a wasteful number, since it uses less digits than its factorization.

331041043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274124.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 331041043 is about 18194.5333273486. The cubic root of 331041043 is about 691.7682316878.

Adding to 331041043 its reverse (340140133), we get a palindrome (671181176).

The spelling of 331041043 in words is "three hundred thirty-one million, forty-one thousand, forty-three".