995131008331 has 4 divisors (see below), whose sum is σ = 995153024592. Its totient is φ = 995108992072.

The previous prime is 995131008323. The next prime is 995131008367. The reversal of 995131008331 is 133800131599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 995131008331 - 2³ = 995131008323 is a prime.

It is a super-2 number, since 2×995131008331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995131008371) 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, 10940191 + ... + 11030776.

It is an arithmetic number, because the mean of its divisors is an integer number (248788256148).

Almost surely, 2^995131008331 is an apocalyptic number.

995131008331 is a deficient number, since it is larger than the sum of its proper divisors (22016261).

995131008331 is a wasteful number, since it uses less digits than its factorization.

995131008331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22016260.

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 995131008331 in words is "nine hundred ninety-five billion, one hundred thirty-one million, eight thousand, three hundred thirty-one".