1131313031976 has 64 divisors (see below), whose sum is σ = 2855846649600. Its totient is φ = 373435066368.

The previous prime is 1131313031969. The next prime is 1131313031977. The reversal of 1131313031976 is 6791303131311.

It is not an unprimeable number, because it can be changed into a prime (1131313031977) 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 15 ways as a sum of consecutive naturals, for example, 2877105 + ... + 3246591.

It is an arithmetic number, because the mean of its divisors is an integer number (44622603900).

Almost surely, 2^{1131313031976} is an apocalyptic number.

It is an amenable number.

1131313031976 is an abundant number, since it is smaller than the sum of its proper divisors (1724533617624).

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

1131313031976 is a wasteful number, since it uses less digits than its factorization.

1131313031976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370738 (or 370734 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The spelling of 1131313031976 in words is "one trillion, one hundred thirty-one billion, three hundred thirteen million, thirty-one thousand, nine hundred seventy-six".