31011241311 has 12 divisors (see below), whose sum is σ = 46453053192. Its totient is φ = 20674160712.

The previous prime is 31011241301. The next prime is 31011241319. The reversal of 31011241311 is 11314211013.

It is a happy number.

31011241311 is a `hidden beast` number, since 310 + 1 + 1 + 2 + 41 + 311 = 666.

It is not a de Polignac number, because 31011241311 - 2¹¹ = 31011239263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31011241319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63808896 + ... + 63809381.

It is an arithmetic number, because the mean of its divisors is an integer number (3871087766).

Almost surely, 2^31011241311 is an apocalyptic number.

31011241311 is a deficient number, since it is larger than the sum of its proper divisors (15441811881).

31011241311 is an equidigital number, since it uses as much as digits as its factorization.

31011241311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127618292 (or 127618280 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 31011241311 its reverse (11314211013), we get a palindrome (42325452324).

The spelling of 31011241311 in words is "thirty-one billion, eleven million, two hundred forty-one thousand, three hundred eleven".