31268011 has 2 divisors, whose sum is σ = 31268012. Its totient is φ = 31268010.

The previous prime is 31267979. The next prime is 31268059. The reversal of 31268011 is 11086213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31268011 - 2⁵ = 31267979 is a prime.

It is a super-2 number, since 2×31268011² = 1955377023792242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31268711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15634005 + 15634006.

It is an arithmetic number, because the mean of its divisors is an integer number (15634006).

Almost surely, 2^31268011 is an apocalyptic number.

31268011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31268011 is an equidigital number, since it uses as much as digits as its factorization.

31268011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 31268011 is about 5591.7806645111. The cubic root of 31268011 is about 315.0407640199.

The spelling of 31268011 in words is "thirty-one million, two hundred sixty-eight thousand, eleven".