11461431 has 4 divisors (see below), whose sum is σ = 15281912. Its totient is φ = 7640952.

The previous prime is 11461397. The next prime is 11461433. The reversal of 11461431 is 13416411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13416411 = 3 ⋅4472137.

It is not a de Polignac number, because 11461431 - 2²¹ = 9364279 is a prime.

It is a super-2 number, since 2×11461431² = 262728801135522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11461398 and 11461407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11461433) 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, 1910236 + ... + 1910241.

It is an arithmetic number, because the mean of its divisors is an integer number (3820478).

Almost surely, 2^11461431 is an apocalyptic number.

11461431 is a deficient number, since it is larger than the sum of its proper divisors (3820481).

11461431 is an equidigital number, since it uses as much as digits as its factorization.

11461431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820480.

The product of its digits is 288, while the sum is 21.

The square root of 11461431 is about 3385.4735267020. The cubic root of 11461431 is about 225.4652496504.

Adding to 11461431 its reverse (13416411), we get a palindrome (24877842).

The spelling of 11461431 in words is "eleven million, four hundred sixty-one thousand, four hundred thirty-one".