1130311000 has 128 divisors (see below), whose sum is σ = 3255557760. Its totient is φ = 357696000.

The previous prime is 1130310997. The next prime is 1130311031. The reversal of 1130311000 is 1130311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84790 + ... + 97210.

It is an arithmetic number, because the mean of its divisors is an integer number (25434045).

Almost surely, 2^1130311000 is an apocalyptic number.

1130311000 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 1130311000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627778880).

1130311000 is an abundant number, since it is smaller than the sum of its proper divisors (2125246760).

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

1130311000 is a wasteful number, since it uses less digits than its factorization.

1130311000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12462 (or 12448 counting only the distinct ones).

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

The square root of 1130311000 is about 33620.0981557163. The cubic root of 1130311000 is about 1041.6759835611.

Adding to 1130311000 its reverse (1130311), we get a palindrome (1131441311).

1130311000 divided by its reverse (1130311) gives a cube (1000 = 10³).

The spelling of 1130311000 in words is "one billion, one hundred thirty million, three hundred eleven thousand".