11319966331 has 4 divisors (see below), whose sum is σ = 11326470064. Its totient is φ = 11313462600.

The previous prime is 11319966289. The next prime is 11319966353. The reversal of 11319966331 is 13366991311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13366991311 = 67 ⋅199507333.

It is a cyclic number.

It is not a de Polignac number, because 11319966331 - 2¹¹ = 11319964283 is a prime.

It is a super-2 number, since 2×11319966331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11319966131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249255 + ... + 3252736.

It is an arithmetic number, because the mean of its divisors is an integer number (2831617516).

Almost surely, 2^11319966331 is an apocalyptic number.

11319966331 is a deficient number, since it is larger than the sum of its proper divisors (6503733).

11319966331 is an equidigital number, since it uses as much as digits as its factorization.

11319966331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6503732.

The product of its digits is 78732, while the sum is 43.

The spelling of 11319966331 in words is "eleven billion, three hundred nineteen million, nine hundred sixty-six thousand, three hundred thirty-one".