1131331130 has 32 divisors (see below), whose sum is σ = 2249938944. Its totient is φ = 407393536.

The previous prime is 1131331099. The next prime is 1131331133. The reversal of 1131331130 is 311331311.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1131331099 and 1131331108.

It is not an unprimeable number, because it can be changed into a prime (1131331133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140762 + ... + 148581.

It is an arithmetic number, because the mean of its divisors is an integer number (70310592).

Almost surely, 2^1131331130 is an apocalyptic number.

1131331130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131331130 is a deficient number, since it is larger than the sum of its proper divisors (1118607814).

1131331130 is a wasteful number, since it uses less digits than its factorization.

1131331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289390.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1131331130 is about 33635.2661651428. The cubic root of 1131331130 is about 1041.9892676616.

Adding to 1131331130 its reverse (311331311), we get a palindrome (1442662441).

The spelling of 1131331130 in words is "one billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty".