11431346 has 4 divisors (see below), whose sum is σ = 17147022. Its totient is φ = 5715672.

The previous prime is 11431297. The next prime is 11431349. The reversal of 11431346 is 64313411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64313411 = 443 ⋅145177.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 1852321 = 3095^2 + 1361^2 .

It is not an unprimeable number, because it can be changed into a prime (11431349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857835 + ... + 2857838.

Almost surely, 2^11431346 is an apocalyptic number.

11431346 is a deficient number, since it is larger than the sum of its proper divisors (5715676).

11431346 is an equidigital number, since it uses as much as digits as its factorization.

11431346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715675.

The product of its digits is 864, while the sum is 23.

The square root of 11431346 is about 3381.0273586589. The cubic root of 11431346 is about 225.2678029357.

Adding to 11431346 its reverse (64313411), we get a palindrome (75744757).

The spelling of 11431346 in words is "eleven million, four hundred thirty-one thousand, three hundred forty-six".