2931811996 has 12 divisors (see below), whose sum is σ = 5207248648. Its totient is φ = 1444026672.

The previous prime is 2931811979. The next prime is 2931811999. The reversal of 2931811996 is 6991181392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2931811999) 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, 5469531 + ... + 5470066.

Almost surely, 2^2931811996 is an apocalyptic number.

It is an amenable number.

2931811996 is a deficient number, since it is larger than the sum of its proper divisors (2275436652).

2931811996 is a wasteful number, since it uses less digits than its factorization.

2931811996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10939668 (or 10939666 counting only the distinct ones).

The product of its digits is 209952, while the sum is 49.

The square root of 2931811996 is about 54146.2094333481. The cubic root of 2931811996 is about 1431.2385956491.

It can be divided in two parts, 29318 and 11996, that added together give a palindrome (41314).

The spelling of 2931811996 in words is "two billion, nine hundred thirty-one million, eight hundred eleven thousand, nine hundred ninety-six".