1311674771 has 8 divisors (see below), whose sum is σ = 1431615600. Its totient is φ = 1191850240.

The previous prime is 1311674761. The next prime is 1311674839. The reversal of 1311674771 is 1774761131.

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

It is a cyclic number.

It is not a de Polignac number, because 1311674771 - 2²² = 1307480467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311674701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4586 + ... + 51423.

It is an arithmetic number, because the mean of its divisors is an integer number (178951950).

Almost surely, 2^1311674771 is an apocalyptic number.

1311674771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1311674771 is a deficient number, since it is larger than the sum of its proper divisors (119940829).

1311674771 is a wasteful number, since it uses less digits than its factorization.

1311674771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58149.

The product of its digits is 24696, while the sum is 38.

The square root of 1311674771 is about 36217.0508324463. The cubic root of 1311674771 is about 1094.6502698027.

The spelling of 1311674771 in words is "one billion, three hundred eleven million, six hundred seventy-four thousand, seven hundred seventy-one".