1311033320976 has 40 divisors (see below), whose sum is σ = 3407116555584. Its totient is φ = 434394271360.

The previous prime is 1311033320941. The next prime is 1311033320977. The reversal of 1311033320976 is 6790233301131.

It is not an unprimeable number, because it can be changed into a prime (1311033320977) 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, 81768015 + ... + 81784046.

Almost surely, 2^{1311033320976} is an apocalyptic number.

1311033320976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1311033320976 is an abundant number, since it is smaller than the sum of its proper divisors (2096083234608).

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

1311033320976 is a wasteful number, since it uses less digits than its factorization.

1311033320976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163552239 (or 163552233 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 39.

The spelling of 1311033320976 in words is "one trillion, three hundred eleven billion, thirty-three million, three hundred twenty thousand, nine hundred seventy-six".