11010404231 has 4 divisors (see below), whose sum is σ = 11015109864. Its totient is φ = 11005698600.

The previous prime is 11010404227. The next prime is 11010404329. The reversal of 11010404231 is 13240401011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11010404231 - 2² = 11010404227 is a prime.

It is a super-2 number, since 2×11010404231² (a number of 21 digits) 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 (11010404201) 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, 2349305 + ... + 2353986.

It is an arithmetic number, because the mean of its divisors is an integer number (2753777466).

Almost surely, 2^11010404231 is an apocalyptic number.

11010404231 is a deficient number, since it is larger than the sum of its proper divisors (4705633).

11010404231 is an equidigital number, since it uses as much as digits as its factorization.

11010404231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705632.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11010404231 its reverse (13240401011), we get a palindrome (24250805242).

The spelling of 11010404231 in words is "eleven billion, ten million, four hundred four thousand, two hundred thirty-one".