31330110442 has 16 divisors (see below), whose sum is σ = 47397621600. Its totient is φ = 15531210000.

The previous prime is 31330110437. The next prime is 31330110451. The reversal of 31330110442 is 24401103313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129192 + ... + 281692.

It is an arithmetic number, because the mean of its divisors is an integer number (2962351350).

Almost surely, 2^31330110442 is an apocalyptic number.

31330110442 is a deficient number, since it is larger than the sum of its proper divisors (16067511158).

31330110442 is a wasteful number, since it uses less digits than its factorization.

31330110442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153381.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31330110442 its reverse (24401103313), we get a palindrome (55731213755).

The spelling of 31330110442 in words is "thirty-one billion, three hundred thirty million, one hundred ten thousand, four hundred forty-two".