11211334031 has 8 divisors (see below), whose sum is σ = 11234134704. Its totient is φ = 11188552320.

The previous prime is 11211333977. The next prime is 11211334037. The reversal of 11211334031 is 13043311211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11211334031 - 2¹⁸ = 11211071887 is a prime.

It is a super-2 number, since 2×11211334031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11211333994 and 11211334012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211334037) 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 7 ways as a sum of consecutive naturals, for example, 1869620 + ... + 1875606.

It is an arithmetic number, because the mean of its divisors is an integer number (1404266838).

Almost surely, 2^11211334031 is an apocalyptic number.

11211334031 is a deficient number, since it is larger than the sum of its proper divisors (22800673).

11211334031 is an equidigital number, since it uses as much as digits as its factorization.

11211334031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11211334031 its reverse (13043311211), we get a palindrome (24254645242).

The spelling of 11211334031 in words is "eleven billion, two hundred eleven million, three hundred thirty-four thousand, thirty-one".