31992000011 has 2 divisors, whose sum is σ = 31992000012. Its totient is φ = 31992000010.

The previous prime is 31991999971. The next prime is 31992000017. The reversal of 31992000011 is 11000029913.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31992000011 is a prime.

It is not a weakly prime, because it can be changed into another prime (31992000017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15996000005 + 15996000006.

It is an arithmetic number, because the mean of its divisors is an integer number (15996000006).

Almost surely, 2^31992000011 is an apocalyptic number.

31992000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31992000011 is an equidigital number, since it uses as much as digits as its factorization.

31992000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

Adding to 31992000011 its reverse (11000029913), we get a palindrome (42992029924).

The spelling of 31992000011 in words is "thirty-one billion, nine hundred ninety-two million, eleven", and thus it is an aban number.