1331203201988 has 12 divisors (see below), whose sum is σ = 2541387931152. Its totient is φ = 605092364520.

The previous prime is 1331203201943. The next prime is 1331203202011. The reversal of 1331203201988 is 8891023021331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15127309070 + ... + 15127309157.

It is an arithmetic number, because the mean of its divisors is an integer number (211782327596).

Almost surely, 2^{1331203201988} is an apocalyptic number.

It is an amenable number.

1331203201988 is a deficient number, since it is larger than the sum of its proper divisors (1210184729164).

1331203201988 is a wasteful number, since it uses less digits than its factorization.

1331203201988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30254618242 (or 30254618240 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 1331203201988 in words is "one trillion, three hundred thirty-one billion, two hundred three million, two hundred one thousand, nine hundred eighty-eight".