11431343413 has 16 divisors (see below), whose sum is σ = 13697058816. Its totient is φ = 9327835440.

The previous prime is 11431343389. The next prime is 11431343419. The reversal of 11431343413 is 31434313411.

It is a de Polignac number, because none of the positive numbers 2^k-11431343413 is a prime.

It is a super-2 number, since 2×11431343413² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431343419) 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, 134281 + ... + 202222.

It is an arithmetic number, because the mean of its divisors is an integer number (856066176).

Almost surely, 2^11431343413 is an apocalyptic number.

It is an amenable number.

11431343413 is a deficient number, since it is larger than the sum of its proper divisors (2265715403).

11431343413 is a wasteful number, since it uses less digits than its factorization.

11431343413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336744.

The product of its digits is 5184, while the sum is 28.

Adding to 11431343413 its reverse (31434313411), we get a palindrome (42865656824).

The spelling of 11431343413 in words is "eleven billion, four hundred thirty-one million, three hundred forty-three thousand, four hundred thirteen".