1311130195 has 8 divisors (see below), whose sum is σ = 1575360144. Its totient is φ = 1047568224.

The previous prime is 1311130129. The next prime is 1311130201. The reversal of 1311130195 is 5910311131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1311130195 - 2¹⁵ = 1311097427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162664 + ... + 170533.

It is an arithmetic number, because the mean of its divisors is an integer number (196920018).

Almost surely, 2^1311130195 is an apocalyptic number.

1311130195 is a deficient number, since it is larger than the sum of its proper divisors (264229949).

1311130195 is an equidigital number, since it uses as much as digits as its factorization.

1311130195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333989.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 1311130195 is about 36209.5318251976. The cubic root of 1311130195 is about 1094.4987579605.

The spelling of 1311130195 in words is "one billion, three hundred eleven million, one hundred thirty thousand, one hundred ninety-five".