1131320000232 has 96 divisors (see below), whose sum is σ = 3134846856960. Its totient is φ = 368467920000.

The previous prime is 1131320000203. The next prime is 1131320000243. The reversal of 1131320000232 is 2320000231311.

1131320000232 is a `hidden beast` number, since 113 + 1 + 320 + 0 + 0 + 0 + 232 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189744 + ... + 1516127.

It is an arithmetic number, because the mean of its divisors is an integer number (32654654760).

Almost surely, 2^{1131320000232} is an apocalyptic number.

1131320000232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131320000232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1567423428480).

1131320000232 is an abundant number, since it is smaller than the sum of its proper divisors (2003526856728).

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

1131320000232 is a wasteful number, since it uses less digits than its factorization.

1131320000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706095 (or 1706088 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1131320000232 its reverse (2320000231311), we get a palindrome (3451320231543).

The spelling of 1131320000232 in words is "one trillion, one hundred thirty-one billion, three hundred twenty million, two hundred thirty-two", and thus it is an aban number.