1311357934 has 8 divisors (see below), whose sum is σ = 2082745008. Its totient is φ = 617109600.

The previous prime is 1311357907. The next prime is 1311357937. The reversal of 1311357934 is 4397531131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1311357893 and 1311357902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311357937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19284642 + ... + 19284709.

It is an arithmetic number, because the mean of its divisors is an integer number (260343126).

Almost surely, 2^1311357934 is an apocalyptic number.

1311357934 is a deficient number, since it is larger than the sum of its proper divisors (771387074).

1311357934 is a wasteful number, since it uses less digits than its factorization.

1311357934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38569370.

The product of its digits is 34020, while the sum is 37.

The square root of 1311357934 is about 36212.6764269089. The cubic root of 1311357934 is about 1094.5621245692.

The spelling of 1311357934 in words is "one billion, three hundred eleven million, three hundred fifty-seven thousand, nine hundred thirty-four".