31041312242 has 16 divisors (see below), whose sum is σ = 46970887392. Its totient is φ = 15384620160.

The previous prime is 31041312241. The next prime is 31041312259. The reversal of 31041312242 is 24221314013.

It is not an unprimeable number, because it can be changed into a prime (31041312241) 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, 164258 + ... + 298434.

It is an arithmetic number, because the mean of its divisors is an integer number (2935680462).

Almost surely, 2^31041312242 is an apocalyptic number.

31041312242 is a deficient number, since it is larger than the sum of its proper divisors (15929575150).

31041312242 is a wasteful number, since it uses less digits than its factorization.

31041312242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135193.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31041312242 its reverse (24221314013), we get a palindrome (55262626255).

The spelling of 31041312242 in words is "thirty-one billion, forty-one million, three hundred twelve thousand, two hundred forty-two".