1163031130 has 16 divisors (see below), whose sum is σ = 2094087240. Its totient is φ = 465072192.

The previous prime is 1163031113. The next prime is 1163031131. The reversal of 1163031130 is 311303611.

It can be written as a sum of positive squares in 4 ways, for example, as 937400689 + 225630441 = 30617^2 + 15021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1163031098 and 1163031107.

It is not an unprimeable number, because it can be changed into a prime (1163031131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21412 + ... + 52768.

Almost surely, 2^1163031130 is an apocalyptic number.

1163031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163031130 is a deficient number, since it is larger than the sum of its proper divisors (931056110).

1163031130 is a wasteful number, since it uses less digits than its factorization.

1163031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35073.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1163031130 is about 34103.2422212317. The cubic root of 1163031130 is about 1051.6319686139.

Adding to 1163031130 its reverse (311303611), we get a palindrome (1474334741).

The spelling of 1163031130 in words is "one billion, one hundred sixty-three million, thirty-one thousand, one hundred thirty".