11431310433 has 8 divisors (see below), whose sum is σ = 15266613888. Its totient is φ = 7608440304.

The previous prime is 11431310413. The next prime is 11431310441. The reversal of 11431310433 is 33401313411.

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

It is not a de Polignac number, because 11431310433 - 2⁶ = 11431310369 is a prime.

It is a super-2 number, since 2×11431310433² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11431310413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106185 + ... + 3109862.

It is an arithmetic number, because the mean of its divisors is an integer number (1908326736).

Almost surely, 2^11431310433 is an apocalyptic number.

It is an amenable number.

11431310433 is a deficient number, since it is larger than the sum of its proper divisors (3835303455).

11431310433 is an equidigital number, since it uses as much as digits as its factorization.

11431310433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6216663.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11431310433 its reverse (33401313411), we get a palindrome (44832623844).

The spelling of 11431310433 in words is "eleven billion, four hundred thirty-one million, three hundred ten thousand, four hundred thirty-three".