1311949483 has 16 divisors (see below), whose sum is σ = 1498434336. Its totient is φ = 1137922560.

The previous prime is 1311949477. The next prime is 1311949501. The reversal of 1311949483 is 3849491131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311949483 is a prime.

It is a super-2 number, since 2×1311949483² = 3442422891887934578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311949403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139768 + ... + 148858.

It is an arithmetic number, because the mean of its divisors is an integer number (93652146).

Almost surely, 2^1311949483 is an apocalyptic number.

1311949483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1311949483 is a deficient number, since it is larger than the sum of its proper divisors (186484853).

1311949483 is a wasteful number, since it uses less digits than its factorization.

1311949483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9774.

The product of its digits is 93312, while the sum is 43.

The square root of 1311949483 is about 36220.8432121617. The cubic root of 1311949483 is about 1094.7266842159.

The spelling of 1311949483 in words is "one billion, three hundred eleven million, nine hundred forty-nine thousand, four hundred eighty-three".