115431130 has 8 divisors (see below), whose sum is σ = 207776052. Its totient is φ = 46172448.

The previous prime is 115431103. The next prime is 115431143. The reversal of 115431130 is 31134511.

It can be written as a sum of positive squares in 2 ways, for example, as 112975641 + 2455489 = 10629^2 + 1567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 115431098 and 115431107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5771547 + ... + 5771566.

Almost surely, 2^115431130 is an apocalyptic number.

115431130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115431130 is a deficient number, since it is larger than the sum of its proper divisors (92344922).

115431130 is a wasteful number, since it uses less digits than its factorization.

115431130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11543120.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 115431130 is about 10743.8880299452. Note that the first 3 decimals coincide. The cubic root of 115431130 is about 486.9013541454.

Adding to 115431130 its reverse (31134511), we get a palindrome (146565641).

The spelling of 115431130 in words is "one hundred fifteen million, four hundred thirty-one thousand, one hundred thirty".