1311132706 has 32 divisors (see below), whose sum is σ = 2154515328. Its totient is φ = 594760320.

The previous prime is 1311132671. The next prime is 1311132731. The reversal of 1311132706 is 6072311131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627195 + ... + 629281.

It is an arithmetic number, because the mean of its divisors is an integer number (67328604).

Almost surely, 2^1311132706 is an apocalyptic number.

1311132706 is a deficient number, since it is larger than the sum of its proper divisors (843382622).

1311132706 is a wasteful number, since it uses less digits than its factorization.

1311132706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1311132706 is about 36209.5664983717. The cubic root of 1311132706 is about 1094.4994566668.

Adding to 1311132706 its reverse (6072311131), we get a palindrome (7383443837).

The spelling of 1311132706 in words is "one billion, three hundred eleven million, one hundred thirty-two thousand, seven hundred six".