1311337934 has 16 divisors (see below), whose sum is σ = 2083246080. Its totient is φ = 617346360.

The previous prime is 1311337931. The next prime is 1311337961. The reversal of 1311337934 is 4397331131.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1311337894 and 1311337903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311337931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99662 + ... + 112049.

It is an arithmetic number, because the mean of its divisors is an integer number (130202880).

Almost surely, 2^1311337934 is an apocalyptic number.

1311337934 is a deficient number, since it is larger than the sum of its proper divisors (771908146).

1311337934 is a wasteful number, since it uses less digits than its factorization.

1311337934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211895.

The product of its digits is 20412, while the sum is 35.

The square root of 1311337934 is about 36212.4002794623. The cubic root of 1311337934 is about 1094.5565600184.

The spelling of 1311337934 in words is "one billion, three hundred eleven million, three hundred thirty-seven thousand, nine hundred thirty-four".