11431012 has 6 divisors (see below), whose sum is σ = 20004278. Its totient is φ = 5715504.

The previous prime is 11431003. The next prime is 11431037. The reversal of 11431012 is 21013411.

11431012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7986276 + 3444736 = 2826^2 + 1856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11430983 and 11431001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428873 + ... + 1428880.

Almost surely, 2^11431012 is an apocalyptic number.

It is an amenable number.

11431012 is a deficient number, since it is larger than the sum of its proper divisors (8573266).

11431012 is a wasteful number, since it uses less digits than its factorization.

11431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857757 (or 2857755 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11431012 is about 3380.9779650273. The cubic root of 11431012 is about 225.2656089632.

Adding to 11431012 its reverse (21013411), we get a palindrome (32444423).

The spelling of 11431012 in words is "eleven million, four hundred thirty-one thousand, twelve".