1130243031 has 8 divisors (see below), whose sum is σ = 1674434160. Its totient is φ = 753495336.

The previous prime is 1130243021. The next prime is 1130243039. The reversal of 1130243031 is 1303420311.

It is not a de Polignac number, because 1130243031 - 2⁷ = 1130242903 is a prime.

It is a super-2 number, since 2×1130243031² = 2554898618248133922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130242995 and 1130243013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130243039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20930400 + ... + 20930453.

It is an arithmetic number, because the mean of its divisors is an integer number (209304270).

Almost surely, 2^1130243031 is an apocalyptic number.

1130243031 is a deficient number, since it is larger than the sum of its proper divisors (544191129).

1130243031 is an equidigital number, since it uses as much as digits as its factorization.

1130243031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41860862 (or 41860856 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1130243031 is about 33619.0873017100. The cubic root of 1130243031 is about 1041.6551034393.

Adding to 1130243031 its reverse (1303420311), we get a palindrome (2433663342).

The spelling of 1130243031 in words is "one billion, one hundred thirty million, two hundred forty-three thousand, thirty-one".