31112141142 has 16 divisors (see below), whose sum is σ = 62973973440. Its totient is φ = 10245765192.

The previous prime is 31112141119. The next prime is 31112141149. The reversal of 31112141142 is 24114121113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31112141149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31236592 + ... + 31237587.

It is an arithmetic number, because the mean of its divisors is an integer number (3935873340).

Almost surely, 2^31112141142 is an apocalyptic number.

31112141142 is an abundant number, since it is smaller than the sum of its proper divisors (31861832298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31112141142 is a wasteful number, since it uses less digits than its factorization.

31112141142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62474267.

The product of its digits is 192, while the sum is 21.

Adding to 31112141142 its reverse (24114121113), we get a palindrome (55226262255).

The spelling of 31112141142 in words is "thirty-one billion, one hundred twelve million, one hundred forty-one thousand, one hundred forty-two".