1131302112 has 24 divisors (see below), whose sum is σ = 2969668296. Its totient is φ = 377100672.

The previous prime is 1131302087. The next prime is 1131302147. The reversal of 1131302112 is 2112031311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1131302091 and 1131302100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5892103 + ... + 5892294.

It is an arithmetic number, because the mean of its divisors is an integer number (123736179).

Almost surely, 2^1131302112 is an apocalyptic number.

1131302112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131302112 is an abundant number, since it is smaller than the sum of its proper divisors (1838366184).

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

1131302112 is a wasteful number, since it uses less digits than its factorization.

1131302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784410 (or 11784402 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1131302112 is about 33634.8347996538. The cubic root of 1131302112 is about 1041.9803587747.

Adding to 1131302112 its reverse (2112031311), we get a palindrome (3243333423).

The spelling of 1131302112 in words is "one billion, one hundred thirty-one million, three hundred two thousand, one hundred twelve".