31222200123133 has 4 divisors (see below), whose sum is σ = 31246088571360. Its totient is φ = 31198311674908.

The previous prime is 31222200123047. The next prime is 31222200123187. The reversal of 31222200123133 is 33132100222213.

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 not a de Polignac number, because 31222200123133 - 2²¹ = 31222198025981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31222200123098 and 31222200123107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31222200123733) 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, 11944222153 + ... + 11944224766.

It is an arithmetic number, because the mean of its divisors is an integer number (7811522142840).

Almost surely, 2^{31222200123133} is an apocalyptic number.

It is an amenable number.

31222200123133 is a deficient number, since it is larger than the sum of its proper divisors (23888448227).

31222200123133 is a wasteful number, since it uses less digits than its factorization.

31222200123133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23888448226.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31222200123133 its reverse (33132100222213), we get a palindrome (64354300345346).

The spelling of 31222200123133 in words is "thirty-one trillion, two hundred twenty-two billion, two hundred million, one hundred twenty-three thousand, one hundred thirty-three".