331134005 has 4 divisors (see below), whose sum is σ = 397360812. Its totient is φ = 264907200.

The previous prime is 331133993. The next prime is 331134029. The reversal of 331134005 is 500431133.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500431133 = 73 ⋅6855221.

It can be written as a sum of positive squares in 2 ways, for example, as 137757169 + 193376836 = 11737^2 + 13906^2 .

It is not a de Polignac number, because 331134005 - 2¹⁸ = 330871861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33113396 + ... + 33113405.

It is an arithmetic number, because the mean of its divisors is an integer number (99340203).

Almost surely, 2^331134005 is an apocalyptic number.

It is an amenable number.

331134005 is a deficient number, since it is larger than the sum of its proper divisors (66226807).

331134005 is an equidigital number, since it uses as much as digits as its factorization.

331134005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66226806.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 331134005 is about 18197.0878164612. The cubic root of 331134005 is about 691.8329790870.

Adding to 331134005 its reverse (500431133), we get a palindrome (831565138).

The spelling of 331134005 in words is "three hundred thirty-one million, one hundred thirty-four thousand, five".