1311312130 has 16 divisors (see below), whose sum is σ = 2361885120. Its totient is φ = 524186352.

The previous prime is 1311312127. The next prime is 1311312139. The reversal of 1311312130 is 312131131.

It is not an unprimeable number, because it can be changed into a prime (1311312139) 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, 25734 + ... + 57313.

It is an arithmetic number, because the mean of its divisors is an integer number (147617820).

Almost surely, 2^1311312130 is an apocalyptic number.

1311312130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311312130 is a deficient number, since it is larger than the sum of its proper divisors (1050572990).

1311312130 is a wasteful number, since it uses less digits than its factorization.

1311312130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84633.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1311312130 is about 36212.0439909155. The cubic root of 1311312130 is about 1094.5493805512.

Adding to 1311312130 its reverse (312131131), we get a palindrome (1623443261).

The spelling of 1311312130 in words is "one billion, three hundred eleven million, three hundred twelve thousand, one hundred thirty".