31122231010033 has 4 divisors (see below), whose sum is σ = 31127680539648. Its totient is φ = 31116781480420.

The previous prime is 31122231010027. The next prime is 31122231010109. The reversal of 31122231010033 is 33001013222113.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31122231010033 is a prime.

It is a super-2 number, since 2×31122231010033² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31122231009986 and 31122231010013.

It is not an unprimeable number, because it can be changed into a prime (31122231010433) 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, 2724756241 + ... + 2724767662.

It is an arithmetic number, because the mean of its divisors is an integer number (7781920134912).

Almost surely, 2^{31122231010033} is an apocalyptic number.

It is an amenable number.

31122231010033 is a deficient number, since it is larger than the sum of its proper divisors (5449529615).

31122231010033 is an equidigital number, since it uses as much as digits as its factorization.

31122231010033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449529614.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31122231010033 its reverse (33001013222113), we get a palindrome (64123244232146).

The spelling of 31122231010033 in words is "thirty-one trillion, one hundred twenty-two billion, two hundred thirty-one million, ten thousand, thirty-three".