31010211442 has 48 divisors (see below), whose sum is σ = 55531749312. Its totient is φ = 12945048480.

The previous prime is 31010211439. The next prime is 31010211469. The reversal of 31010211442 is 24411201013.

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 23 ways as a sum of consecutive naturals, for example, 590553 + ... + 640915.

It is an arithmetic number, because the mean of its divisors is an integer number (1156911444).

Almost surely, 2^31010211442 is an apocalyptic number.

31010211442 is a deficient number, since it is larger than the sum of its proper divisors (24521537870).

31010211442 is a wasteful number, since it uses less digits than its factorization.

31010211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50543 (or 50536 counting only the distinct ones).

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

Adding to 31010211442 its reverse (24411201013), we get a palindrome (55421412455).

The spelling of 31010211442 in words is "thirty-one billion, ten million, two hundred eleven thousand, four hundred forty-two".