1131424431011 has 8 divisors (see below), whose sum is σ = 1298854953984. Its totient is φ = 965443523400.

The previous prime is 1131424431001. The next prime is 1131424431017. The reversal of 1131424431011 is 1101344241311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131424431011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131424431017) 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, 362402165 + ... + 362405286.

It is an arithmetic number, because the mean of its divisors is an integer number (162356869248).

Almost surely, 2^{1131424431011} is an apocalyptic number.

1131424431011 is a deficient number, since it is larger than the sum of its proper divisors (167430522973).

1131424431011 is an equidigital number, since it uses as much as digits as its factorization.

1131424431011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724807681.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 1131424431011 its reverse (1101344241311), we get a palindrome (2232768672322).

The spelling of 1131424431011 in words is "one trillion, one hundred thirty-one billion, four hundred twenty-four million, four hundred thirty-one thousand, eleven".