1131350000 has 240 divisors, whose sum is σ = 3190858272. Its totient is φ = 387200000.

The previous prime is 1131349987. The next prime is 1131350021. The reversal of 1131350000 is 531311.

It is a congruent number.

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, 66549992 + ... + 66550008.

Almost surely, 2^1131350000 is an apocalyptic number.

1131350000 is a gapful number since it is divisible by the number (10) 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 1131350000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1595429136).

1131350000 is an abundant number, since it is smaller than the sum of its proper divisors (2059508272).

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

1131350000 is an frugal number, since it uses more digits than its factorization.

1131350000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 1131350000 is about 33635.5466731254. The cubic root of 1131350000 is about 1041.9950609045.

Adding to 1131350000 its reverse (531311), we get a palindrome (1131881311).

The spelling of 1131350000 in words is "one billion, one hundred thirty-one million, three hundred fifty thousand".