11210431 has 4 divisors (see below), whose sum is σ = 11222992. Its totient is φ = 11197872.

The previous prime is 11210411. The next prime is 11210447. The reversal of 11210431 is 13401211.

It is a semiprime because it is the product of two primes.

It is a 4-Lehmer number, since φ(11210431) divides (11210431-1)⁴.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11210431 is a prime.

It is a super-2 number, since 2×11210431² = 251347526411522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210411) 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, 4830 + ... + 6763.

It is an arithmetic number, because the mean of its divisors is an integer number (2805748).

Almost surely, 2^11210431 is an apocalyptic number.

11210431 is a deficient number, since it is larger than the sum of its proper divisors (12561).

11210431 is an equidigital number, since it uses as much as digits as its factorization.

11210431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560.

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

The square root of 11210431 is about 3348.1981721517. The cubic root of 11210431 is about 223.8072254616.

Adding to 11210431 its reverse (13401211), we get a palindrome (24611642).

The spelling of 11210431 in words is "eleven million, two hundred ten thousand, four hundred thirty-one".