3131382803742 has 12 divisors (see below), whose sum is σ = 6784662741480. Its totient is φ = 1043794267908.

The previous prime is 3131382803737. The next prime is 3131382803771. The reversal of 3131382803742 is 2473082831313.

It is a happy number.

3131382803742 is a `hidden beast` number, since 313 + 13 + 8 + 280 + 3 + 7 + 42 = 666.

It is a super-2 number, since 2×3131382803742² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 86982855642 + ... + 86982855677.

It is an arithmetic number, because the mean of its divisors is an integer number (565388561790).

Almost surely, 2^{3131382803742} is an apocalyptic number.

3131382803742 is an abundant number, since it is smaller than the sum of its proper divisors (3653279937738).

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

3131382803742 is a wasteful number, since it uses less digits than its factorization.

3131382803742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173965711327 (or 173965711324 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 3131382803742 in words is "three trillion, one hundred thirty-one billion, three hundred eighty-two million, eight hundred three thousand, seven hundred forty-two".