31442886028903 has 4 divisors (see below), whose sum is σ = 31472803143208. Its totient is φ = 31412968914600.

The previous prime is 31442886028889. The next prime is 31442886028927. The reversal of 31442886028903 is 30982068824413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31442886028903 - 2⁵ = 31442886028871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442886008903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14958555576 + ... + 14958557677.

It is an arithmetic number, because the mean of its divisors is an integer number (7868200785802).

Almost surely, 2^{31442886028903} is an apocalyptic number.

31442886028903 is a deficient number, since it is larger than the sum of its proper divisors (29917114305).

31442886028903 is a wasteful number, since it uses less digits than its factorization.

31442886028903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29917114304.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 31442886028903 in words is "thirty-one trillion, four hundred forty-two billion, eight hundred eighty-six million, twenty-eight thousand, nine hundred three".