13311223401 has 16 divisors (see below), whose sum is σ = 20317993344. Its totient is φ = 7593579264.

The previous prime is 13311223369. The next prime is 13311223403. The reversal of 13311223401 is 10432211331.

It is not a de Polignac number, because 13311223401 - 2⁵ = 13311223369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13311223403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522006 + ... + 546911.

It is an arithmetic number, because the mean of its divisors is an integer number (1269874584).

Almost surely, 2^13311223401 is an apocalyptic number.

It is an amenable number.

13311223401 is a deficient number, since it is larger than the sum of its proper divisors (7006769943).

13311223401 is a wasteful number, since it uses less digits than its factorization.

13311223401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069520.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13311223401 its reverse (10432211331), we get a palindrome (23743434732).

The spelling of 13311223401 in words is "thirteen billion, three hundred eleven million, two hundred twenty-three thousand, four hundred one".