1311917676 has 24 divisors (see below), whose sum is σ = 3241208880. Its totient is φ = 411581952.

The previous prime is 1311917657. The next prime is 1311917699. The reversal of 1311917676 is 6767191131.

It is a super-2 number, since 2×1311917676² = 3442255977202481952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215281 + ... + 3215688.

It is an arithmetic number, because the mean of its divisors is an integer number (135050370).

Almost surely, 2^1311917676 is an apocalyptic number.

It is an amenable number.

1311917676 is an abundant number, since it is smaller than the sum of its proper divisors (1929291204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311917676 is a wasteful number, since it uses less digits than its factorization.

1311917676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430993 (or 6430991 counting only the distinct ones).

The product of its digits is 47628, while the sum is 42.

The square root of 1311917676 is about 36220.4041391037. The cubic root of 1311917676 is about 1094.7178372663.

The spelling of 1311917676 in words is "one billion, three hundred eleven million, nine hundred seventeen thousand, six hundred seventy-six".