1311402130 has 8 divisors (see below), whose sum is σ = 2360523852. Its totient is φ = 524560848.

The previous prime is 1311402119. The next prime is 1311402221. The reversal of 1311402130 is 312041131.

It can be written as a sum of positive squares in 2 ways, for example, as 1052288721 + 259113409 = 32439^2 + 16097^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 65570097 + ... + 65570116.

Almost surely, 2^1311402130 is an apocalyptic number.

1311402130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311402130 is a deficient number, since it is larger than the sum of its proper divisors (1049121722).

1311402130 is a wasteful number, since it uses less digits than its factorization.

1311402130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131140220.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1311402130 is about 36213.2866500681. The cubic root of 1311402130 is about 1094.5744209131.

Adding to 1311402130 its reverse (312041131), we get a palindrome (1623443261).

The spelling of 1311402130 in words is "one billion, three hundred eleven million, four hundred two thousand, one hundred thirty".