11431230297 has 4 divisors (see below), whose sum is σ = 15241640400. Its totient is φ = 7620820196.

The previous prime is 11431230289. The next prime is 11431230329. The reversal of 11431230297 is 79203213411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11431230297 - 2³ = 11431230289 is a prime.

It is a super-2 number, since 2×11431230297² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11431230227) 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 3 ways as a sum of consecutive naturals, for example, 1905205047 + ... + 1905205052.

It is an arithmetic number, because the mean of its divisors is an integer number (3810410100).

Almost surely, 2^11431230297 is an apocalyptic number.

It is an amenable number.

11431230297 is a deficient number, since it is larger than the sum of its proper divisors (3810410103).

11431230297 is an equidigital number, since it uses as much as digits as its factorization.

11431230297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810410102.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 11431230297 in words is "eleven billion, four hundred thirty-one million, two hundred thirty thousand, two hundred ninety-seven".