1131124104231 has 16 divisors (see below), whose sum is σ = 1645462242048. Its totient is φ = 685450252800.

The previous prime is 1131124104151. The next prime is 1131124104247. The reversal of 1131124104231 is 1324014211311.

It is a de Polignac number, because none of the positive numbers 2^k-1131124104231 is a prime.

It is a super-2 number, since 2×1131124104231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131124114231) 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, 1698211 + ... + 2268516.

It is an arithmetic number, because the mean of its divisors is an integer number (102841390128).

Almost surely, 2^{1131124104231} is an apocalyptic number.

1131124104231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1131124104231 is a deficient number, since it is larger than the sum of its proper divisors (514338137817).

1131124104231 is a wasteful number, since it uses less digits than its factorization.

1131124104231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975382.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1131124104231 its reverse (1324014211311), we get a palindrome (2455138315542).

The spelling of 1131124104231 in words is "one trillion, one hundred thirty-one billion, one hundred twenty-four million, one hundred four thousand, two hundred thirty-one".