11195214931 has 2 divisors, whose sum is σ = 11195214932. Its totient is φ = 11195214930.

The previous prime is 11195214923. The next prime is 11195214959. The reversal of 11195214931 is 13941259111.

11195214931 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 11195214931 - 2³ = 11195214923 is a prime.

It is a super-2 number, since 2×11195214931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11195214031) 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, 5597607465 + 5597607466.

It is an arithmetic number, because the mean of its divisors is an integer number (5597607466).

Almost surely, 2^11195214931 is an apocalyptic number.

11195214931 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195214931 is an equidigital number, since it uses as much as digits as its factorization.

11195214931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 37.

The spelling of 11195214931 in words is "eleven billion, one hundred ninety-five million, two hundred fourteen thousand, nine hundred thirty-one".