11431070 has 32 divisors (see below), whose sum is σ = 23848128. Its totient is φ = 3863808.

The previous prime is 11431067. The next prime is 11431099. The reversal of 11431070 is 7013411.

It is a super-2 number, since 2×11431070² = 261338722689800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3992 + ... + 6228.

It is an arithmetic number, because the mean of its divisors is an integer number (745254).

Almost surely, 2^11431070 is an apocalyptic number.

11431070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11431070 is an abundant number, since it is smaller than the sum of its proper divisors (12417058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431070 is a wasteful number, since it uses less digits than its factorization.

11431070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11431070 is about 3380.9865424163. The cubic root of 11431070 is about 225.2659899555.

Adding to 11431070 its reverse (7013411), we get a palindrome (18444481).

The spelling of 11431070 in words is "eleven million, four hundred thirty-one thousand, seventy".