1131310000 has 50 divisors (see below), whose sum is σ = 2739038852. Its totient is φ = 452520000.

The previous prime is 1131309983. The next prime is 1131310013. The reversal of 1131310000 is 131311.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×1131310000² = 2559724632200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 46566 + ... + 66565.

Almost surely, 2^1131310000 is an apocalyptic number.

1131310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131310000 is an abundant number, since it is smaller than the sum of its proper divisors (1607728852).

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

1131310000 is an equidigital number, since it uses as much as digits as its factorization.

1131310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113159 (or 113138 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 1131310000 is about 33634.9520588331. The cubic root of 1131310000 is about 1041.9827805039.

Adding to 1131310000 its reverse (131311), we get a palindrome (1131441311).

Subtracting from 1131310000 its reverse (131311), we obtain a square (1131178689 = 33633²).

The spelling of 1131310000 in words is "one billion, one hundred thirty-one million, three hundred ten thousand".