1318170830 has 16 divisors (see below), whose sum is σ = 2397170160. Its totient is φ = 521832192.

The previous prime is 1318170817. The next prime is 1318170839. The reversal of 1318170830 is 380718131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318170839) 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, 678500 + ... + 680439.

It is an arithmetic number, because the mean of its divisors is an integer number (149823135).

Almost surely, 2^1318170830 is an apocalyptic number.

1318170830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1318170830 is a deficient number, since it is larger than the sum of its proper divisors (1078999330).

1318170830 is a wasteful number, since it uses less digits than its factorization.

1318170830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359043.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1318170830 is about 36306.6223986754. The cubic root of 1318170830 is about 1096.4543770841.

Adding to 1318170830 its reverse (380718131), we get a palindrome (1698888961).

The spelling of 1318170830 in words is "one billion, three hundred eighteen million, one hundred seventy thousand, eight hundred thirty".