1100343401 has 4 divisors (see below), whose sum is σ = 1112706900. Its totient is φ = 1087979904.

The previous prime is 1100343359. The next prime is 1100343427. The reversal of 1100343401 is 1043430011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 641355625 + 458987776 = 25325^2 + 21424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100343401 - 2¹⁴ = 1100327017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100343401.

It is not an unprimeable number, because it can be changed into a prime (1100343301) 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, 6181616 + ... + 6181793.

It is an arithmetic number, because the mean of its divisors is an integer number (278176725).

Almost surely, 2^1100343401 is an apocalyptic number.

It is an amenable number.

1100343401 is a deficient number, since it is larger than the sum of its proper divisors (12363499).

1100343401 is an equidigital number, since it uses as much as digits as its factorization.

1100343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12363498.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1100343401 is about 33171.4244644393. The cubic root of 1100343401 is about 1032.3875242873.

Adding to 1100343401 its reverse (1043430011), we get a palindrome (2143773412).

The spelling of 1100343401 in words is "one billion, one hundred million, three hundred forty-three thousand, four hundred one".