11420031401 has 8 divisors (see below), whose sum is σ = 12094482600. Its totient is φ = 10745878528.

The previous prime is 11420031353. The next prime is 11420031409. The reversal of 11420031401 is 10413002411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2756145001 + 8663886400 = 52499^2 + 93080^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11420031401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

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 11420031401.

It is not an unprimeable number, because it can be changed into a prime (11420031409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6785 + ... + 151281.

It is an arithmetic number, because the mean of its divisors is an integer number (1511810325).

Almost surely, 2^11420031401 is an apocalyptic number.

It is an amenable number.

11420031401 is a deficient number, since it is larger than the sum of its proper divisors (674451199).

11420031401 is a wasteful number, since it uses less digits than its factorization.

11420031401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149163.

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

Adding to 11420031401 its reverse (10413002411), we get a palindrome (21833033812).

The spelling of 11420031401 in words is "eleven billion, four hundred twenty million, thirty-one thousand, four hundred one".