331113033 has 12 divisors (see below), whose sum is σ = 480262068. Its totient is φ = 219824640.

The previous prime is 331113031. The next prime is 331113043. The reversal of 331113033 is 330311133.

It can be written as a sum of positive squares in 2 ways, for example, as 198471744 + 132641289 = 14088^2 + 11517^2 .

It is not a de Polignac number, because 331113033 - 2¹ = 331113031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331112997 and 331113015.

It is not an unprimeable number, because it can be changed into a prime (331113031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74160 + ... + 78497.

It is an arithmetic number, because the mean of its divisors is an integer number (40021839).

Almost surely, 2^331113033 is an apocalyptic number.

It is an amenable number.

331113033 is a deficient number, since it is larger than the sum of its proper divisors (149149035).

331113033 is a wasteful number, since it uses less digits than its factorization.

331113033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152904 (or 152901 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 331113033 is about 18196.5115612856. The cubic root of 331113033 is about 691.8183732906.

Adding to 331113033 its reverse (330311133), we get a palindrome (661424166).

The spelling of 331113033 in words is "three hundred thirty-one million, one hundred thirteen thousand, thirty-three".