11403310231 has 16 divisors (see below), whose sum is σ = 11961734400. Its totient is φ = 10850260608.

The previous prime is 11403310229. The next prime is 11403310253. The reversal of 11403310231 is 13201330411.

It is a cyclic number.

It is not a de Polignac number, because 11403310231 - 2¹ = 11403310229 is a prime.

It is a super-2 number, since 2×11403310231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11403310199 and 11403310208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403310211) 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, 4369455 + ... + 4372063.

It is an arithmetic number, because the mean of its divisors is an integer number (747608400).

Almost surely, 2^11403310231 is an apocalyptic number.

11403310231 is a deficient number, since it is larger than the sum of its proper divisors (558424169).

11403310231 is a wasteful number, since it uses less digits than its factorization.

11403310231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11403310231 its reverse (13201330411), we get a palindrome (24604640642).

The spelling of 11403310231 in words is "eleven billion, four hundred three million, three hundred ten thousand, two hundred thirty-one".