31112041142 has 48 divisors (see below), whose sum is σ = 57929144832. Its totient is φ = 12270566880.

The previous prime is 31112041133. The next prime is 31112041157. The reversal of 31112041142 is 24114021113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 763283 + ... + 803009.

It is an arithmetic number, because the mean of its divisors is an integer number (1206857184).

Almost surely, 2^31112041142 is an apocalyptic number.

31112041142 is a deficient number, since it is larger than the sum of its proper divisors (26817103690).

31112041142 is a wasteful number, since it uses less digits than its factorization.

31112041142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40093 (or 40080 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 31112041142 its reverse (24114021113), we get a palindrome (55226062255).

The spelling of 31112041142 in words is "thirty-one billion, one hundred twelve million, forty-one thousand, one hundred forty-two".