11431497 has 64 divisors (see below), whose sum is σ = 20901888. Its totient is φ = 5376000.

The previous prime is 11431489. The next prime is 11431549. The reversal of 11431497 is 79413411.

It is not a de Polignac number, because 11431497 - 2³ = 11431489 is a prime.

It is a super-2 number, since 2×11431497² = 261358247322018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11431447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 160972 + ... + 161042.

It is an arithmetic number, because the mean of its divisors is an integer number (326592).

Almost surely, 2^11431497 is an apocalyptic number.

11431497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11431497 is a deficient number, since it is larger than the sum of its proper divisors (9470391).

11431497 is a wasteful number, since it uses less digits than its factorization.

11431497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150.

The product of its digits is 3024, while the sum is 30.

The square root of 11431497 is about 3381.0496890759. The cubic root of 11431497 is about 225.2687948075.

It can be divided in two parts, 114314 and 97, that added together give a palindrome (114411).

The spelling of 11431497 in words is "eleven million, four hundred thirty-one thousand, four hundred ninety-seven".