1131424430 has 16 divisors (see below), whose sum is σ = 2036957760. Its totient is φ = 452482272.

The previous prime is 1131424429. The next prime is 1131424433. The reversal of 1131424430 is 344241311.

It is a junction number, because it is equal to n+sod(n) for n = 1131424396 and 1131424405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131424433) 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, 77147 + ... + 90633.

It is an arithmetic number, because the mean of its divisors is an integer number (127309860).

Almost surely, 2^1131424430 is an apocalyptic number.

1131424430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131424430 is a deficient number, since it is larger than the sum of its proper divisors (905533330).

1131424430 is a wasteful number, since it uses less digits than its factorization.

1131424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21883.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1131424430 is about 33636.6530736933. The cubic root of 1131424430 is about 1042.0179108895.

Adding to 1131424430 its reverse (344241311), we get a palindrome (1475665741).

The spelling of 1131424430 in words is "one billion, one hundred thirty-one million, four hundred twenty-four thousand, four hundred thirty".