31122243341 has 4 divisors (see below), whose sum is σ = 35568278112. Its totient is φ = 26676208572.

The previous prime is 31122243337. The next prime is 31122243359. The reversal of 31122243341 is 14334222113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14334222113 = 53 ⋅270457021.

It is a cyclic number.

It is not a de Polignac number, because 31122243341 - 2² = 31122243337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31122243341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31122243301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223017375 + ... + 2223017388.

It is an arithmetic number, because the mean of its divisors is an integer number (8892069528).

Almost surely, 2^31122243341 is an apocalyptic number.

It is an amenable number.

31122243341 is a deficient number, since it is larger than the sum of its proper divisors (4446034771).

31122243341 is an equidigital number, since it uses as much as digits as its factorization.

31122243341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446034770.

The product of its digits is 3456, while the sum is 26.

Adding to 31122243341 its reverse (14334222113), we get a palindrome (45456465454).

The spelling of 31122243341 in words is "thirty-one billion, one hundred twenty-two million, two hundred forty-three thousand, three hundred forty-one".