11312322031 has 2 divisors, whose sum is σ = 11312322032. Its totient is φ = 11312322030.

The previous prime is 11312322029. The next prime is 11312322061. The reversal of 11312322031 is 13022321311.

11312322031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11312322031 - 2¹ = 11312322029 is a prime.

It is a super-2 number, since 2×11312322031² (a number of 21 digits) contains 22 as substring.

Together with 11312322029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312322061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656161015 + 5656161016.

It is an arithmetic number, because the mean of its divisors is an integer number (5656161016).

Almost surely, 2^11312322031 is an apocalyptic number.

11312322031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312322031 is an equidigital number, since it uses as much as digits as its factorization.

11312322031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11312322031 its reverse (13022321311), we get a palindrome (24334643342).

The spelling of 11312322031 in words is "eleven billion, three hundred twelve million, three hundred twenty-two thousand, thirty-one".