1113431111131 has 8 divisors (see below), whose sum is σ = 1130430304080. Its totient is φ = 1096443118848.

The previous prime is 1113431111101. The next prime is 1113431111141. The reversal of 1113431111131 is 1311111343111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113431111131 - 2³¹ = 1111283627483 is a prime.

It is a super-2 number, since 2×1113431111131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113431111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2599726 + ... + 2997571.

It is an arithmetic number, because the mean of its divisors is an integer number (141303788010).

Almost surely, 2^{1113431111131} is an apocalyptic number.

1113431111131 is a deficient number, since it is larger than the sum of its proper divisors (16999192949).

1113431111131 is an equidigital number, since it uses as much as digits as its factorization.

1113431111131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600333.

The product of its digits is 108, while the sum is 22.

Adding to 1113431111131 its reverse (1311111343111), we get a palindrome (2424542454242).

The spelling of 1113431111131 in words is "one trillion, one hundred thirteen billion, four hundred thirty-one million, one hundred eleven thousand, one hundred thirty-one".