31012110442 has 16 divisors (see below), whose sum is σ = 47155525632. Its totient is φ = 15295014000.

The previous prime is 31012110347. The next prime is 31012110527. The reversal of 31012110442 is 24401121013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308934 + ... + 396817.

It is an arithmetic number, because the mean of its divisors is an integer number (2947220352).

Almost surely, 2^31012110442 is an apocalyptic number.

31012110442 is a deficient number, since it is larger than the sum of its proper divisors (16143415190).

31012110442 is a wasteful number, since it uses less digits than its factorization.

31012110442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706053.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 31012110442 its reverse (24401121013), we get a palindrome (55413231455).

The spelling of 31012110442 in words is "thirty-one billion, twelve million, one hundred ten thousand, four hundred forty-two".