31241440022 has 64 divisors (see below), whose sum is σ = 55512148608. Its totient is φ = 13052928000.

The previous prime is 31241440019. The next prime is 31241440033. The reversal of 31241440022 is 22004414213.

It is a self number, because there is not a number n which added to its sum of digits gives 31241440022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1274522 + ... + 1298802.

It is an arithmetic number, because the mean of its divisors is an integer number (867377322).

Almost surely, 2^31241440022 is an apocalyptic number.

31241440022 is a deficient number, since it is larger than the sum of its proper divisors (24270708586).

31241440022 is a wasteful number, since it uses less digits than its factorization.

31241440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24425.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 31241440022 its reverse (22004414213), we get a palindrome (53245854235).

The spelling of 31241440022 in words is "thirty-one billion, two hundred forty-one million, four hundred forty thousand, twenty-two".