31442110564 has 12 divisors (see below), whose sum is σ = 56510820604. Its totient is φ = 15296161824.

The previous prime is 31442110523. The next prime is 31442110573. The reversal of 31442110564 is 46501124413.

It can be written as a sum of positive squares in 2 ways, for example, as 27267916900 + 4174193664 = 165130^2 + 64608^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106223199 + ... + 106223494.

Almost surely, 2^31442110564 is an apocalyptic number.

It is an amenable number.

31442110564 is a deficient number, since it is larger than the sum of its proper divisors (25068710040).

31442110564 is a wasteful number, since it uses less digits than its factorization.

31442110564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212446734 (or 212446732 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 31442110564 its reverse (46501124413), we get a palindrome (77943234977).

The spelling of 31442110564 in words is "thirty-one billion, four hundred forty-two million, one hundred ten thousand, five hundred sixty-four".