11343113431 has 16 divisors (see below), whose sum is σ = 12395496960. Its totient is φ = 10316607840.

The previous prime is 11343113429. The next prime is 11343113443. The reversal of 11343113431 is 13431134311.

It is a cyclic number.

It is not a de Polignac number, because 11343113431 - 2¹ = 11343113429 is a prime.

It is a super-2 number, since 2×11343113431² (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 = 11343113396 and 11343113405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343113401) 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, 2067550 + ... + 2073028.

It is an arithmetic number, because the mean of its divisors is an integer number (774718560).

Almost surely, 2^11343113431 is an apocalyptic number.

11343113431 is a deficient number, since it is larger than the sum of its proper divisors (1052383529).

11343113431 is a wasteful number, since it uses less digits than its factorization.

11343113431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806.

The product of its digits is 1296, while the sum is 25.

Adding to 11343113431 its reverse (13431134311), we get a palindrome (24774247742).

The spelling of 11343113431 in words is "eleven billion, three hundred forty-three million, one hundred thirteen thousand, four hundred thirty-one".