1115131430 has 32 divisors (see below), whose sum is σ = 2302551360. Its totient is φ = 380903040.

The previous prime is 1115131421. The next prime is 1115131499. The reversal of 1115131430 is 341315111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10781 + ... + 48440.

It is an arithmetic number, because the mean of its divisors is an integer number (71954730).

Almost surely, 2^1115131430 is an apocalyptic number.

1115131430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115131430 is an abundant number, since it is smaller than the sum of its proper divisors (1187419930).

1115131430 is a wasteful number, since it uses less digits than its factorization.

1115131430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59504.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1115131430 is about 33393.5836651294. The cubic root of 1115131430 is about 1036.9918715636.

Adding to 1115131430 its reverse (341315111), we get a palindrome (1456446541).

The spelling of 1115131430 in words is "one billion, one hundred fifteen million, one hundred thirty-one thousand, four hundred thirty".