1311130132 has 24 divisors (see below), whose sum is σ = 2473297736. Its totient is φ = 604568448.

The previous prime is 1311130129. The next prime is 1311130201. The reversal of 1311130132 is 2310311131.

It can be written as a sum of positive squares in 4 ways, for example, as 166255236 + 1144874896 = 12894^2 + 33836^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46798 + ... + 69370.

Almost surely, 2^1311130132 is an apocalyptic number.

It is an amenable number.

1311130132 is a deficient number, since it is larger than the sum of its proper divisors (1162167604).

1311130132 is a wasteful number, since it uses less digits than its factorization.

1311130132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23707 (or 23705 counting only the distinct ones).

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

The square root of 1311130132 is about 36209.5309552609. The cubic root of 1311130132 is about 1094.4987404302.

Adding to 1311130132 its reverse (2310311131), we get a palindrome (3621441263).

The spelling of 1311130132 in words is "one billion, three hundred eleven million, one hundred thirty thousand, one hundred thirty-two".