31043122241 has 16 divisors (see below), whose sum is σ = 34323594240. Its totient is φ = 27944254800.

The previous prime is 31043122237. The next prime is 31043122247. The reversal of 31043122241 is 14222134013.

It is not a de Polignac number, because 31043122241 - 2² = 31043122237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (31043122247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169235 + ... + 301208.

It is an arithmetic number, because the mean of its divisors is an integer number (2145224640).

Almost surely, 2^31043122241 is an apocalyptic number.

It is an amenable number.

31043122241 is a deficient number, since it is larger than the sum of its proper divisors (3280471999).

31043122241 is a wasteful number, since it uses less digits than its factorization.

31043122241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470636.

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

Adding to 31043122241 its reverse (14222134013), we get a palindrome (45265256254).

The spelling of 31043122241 in words is "thirty-one billion, forty-three million, one hundred twenty-two thousand, two hundred forty-one".