1131312233124 has 144 divisors (see below), whose sum is σ = 2965079470080. Its totient is φ = 363320717760.

The previous prime is 1131312233113. The next prime is 1131312233141. The reversal of 1131312233124 is 4213322131311.

1131312233124 is a `hidden beast` number, since 1 + 1 + 31 + 312 + 2 + 3 + 312 + 4 = 666.

It is a super-3 number, since 3×1131312233124³ (a number of 37 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 255777177 + ... + 255781599.

Almost surely, 2^{1131312233124} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131312233124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482539735040).

1131312233124 is an abundant number, since it is smaller than the sum of its proper divisors (1833767236956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131312233124 is a wasteful number, since it uses less digits than its factorization.

1131312233124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5430 (or 5425 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

Adding to 1131312233124 its reverse (4213322131311), we get a palindrome (5344634364435).

The spelling of 1131312233124 in words is "one trillion, one hundred thirty-one billion, three hundred twelve million, two hundred thirty-three thousand, one hundred twenty-four".