1131310229988 has 24 divisors (see below), whose sum is σ = 2639849019808. Its totient is φ = 377085531456.

The previous prime is 1131310229941. The next prime is 1131310229989. The reversal of 1131310229988 is 8899220131311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131310229989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969906 + ... + 2478537.

Almost surely, 2^{1131310229988} is an apocalyptic number.

It is an amenable number.

1131310229988 is an abundant number, since it is smaller than the sum of its proper divisors (1508538789820).

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

1131310229988 is a wasteful number, since it uses less digits than its factorization.

1131310229988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469643 (or 4469641 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 1131310229988 in words is "one trillion, one hundred thirty-one billion, three hundred ten million, two hundred twenty-nine thousand, nine hundred eighty-eight".