31011301011 has 12 divisors (see below), whose sum is σ = 42143291288. Its totient is φ = 20284115904.

The previous prime is 31011300997. The next prime is 31011301031. The reversal of 31011301011 is 11010311013.

It is not a de Polignac number, because 31011301011 - 2⁵ = 31011300979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31011301031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1831570 + ... + 1848423.

Almost surely, 2^31011301011 is an apocalyptic number.

31011301011 is a deficient number, since it is larger than the sum of its proper divisors (11131990277).

31011301011 is an equidigital number, since it uses as much as digits as its factorization.

31011301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680102 (or 3680049 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 31011301011 its reverse (11010311013), we get a palindrome (42021612024).

The spelling of 31011301011 in words is "thirty-one billion, eleven million, three hundred one thousand, eleven".