1311013132 has 48 divisors (see below), whose sum is σ = 2732379552. Its totient is φ = 542522880.

The previous prime is 1311013127. The next prime is 1311013139. The reversal of 1311013132 is 2313101131.

It is not an unprimeable number, because it can be changed into a prime (1311013139) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26058 + ... + 57454.

It is an arithmetic number, because the mean of its divisors is an integer number (56924574).

Almost surely, 2^1311013132 is an apocalyptic number.

It is an amenable number.

1311013132 is an abundant number, since it is smaller than the sum of its proper divisors (1421366420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311013132 is a wasteful number, since it uses less digits than its factorization.

1311013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31498 (or 31496 counting only the distinct ones).

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

The square root of 1311013132 is about 36207.9153224816. The cubic root of 1311013132 is about 1094.4661832343.

Adding to 1311013132 its reverse (2313101131), we get a palindrome (3624114263).

The spelling of 1311013132 in words is "one billion, three hundred eleven million, thirteen thousand, one hundred thirty-two".