1130043431 has 16 divisors (see below), whose sum is σ = 1323187488. Its totient is φ = 953625600.

The previous prime is 1130043427. The next prime is 1130043437. The reversal of 1130043431 is 1343400311.

It is a cyclic number.

It is not a de Polignac number, because 1130043431 - 2² = 1130043427 is a prime.

It is a super-2 number, since 2×1130043431² = 2553996311892503522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130043437) 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, 27740 + ... + 55041.

It is an arithmetic number, because the mean of its divisors is an integer number (82699218).

Almost surely, 2^1130043431 is an apocalyptic number.

1130043431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1130043431 is a deficient number, since it is larger than the sum of its proper divisors (193144057).

1130043431 is a wasteful number, since it uses less digits than its factorization.

1130043431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82882.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1130043431 is about 33616.1186189007. The cubic root of 1130043431 is about 1041.5937813480.

Adding to 1130043431 its reverse (1343400311), we get a palindrome (2473443742).

The spelling of 1130043431 in words is "one billion, one hundred thirty million, forty-three thousand, four hundred thirty-one".