31231122101233 has 8 divisors (see below), whose sum is σ = 31440989880000. Its totient is φ = 31021257828528.

The previous prime is 31231122101227. The next prime is 31231122101303. The reversal of 31231122101233 is 33210122113213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31231122101233 - 2²¹ = 31231120004081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31231122101198 and 31231122101207.

It is not an unprimeable number, because it can be changed into a prime (31231162101233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18421468 + ... + 20045266.

It is an arithmetic number, because the mean of its divisors is an integer number (3930123735000).

Almost surely, 2^{31231122101233} is an apocalyptic number.

It is an amenable number.

31231122101233 is a deficient number, since it is larger than the sum of its proper divisors (209867778767).

31231122101233 is a wasteful number, since it uses less digits than its factorization.

31231122101233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753031.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31231122101233 its reverse (33210122113213), we get a palindrome (64441244214446).

The spelling of 31231122101233 in words is "thirty-one trillion, two hundred thirty-one billion, one hundred twenty-two million, one hundred one thousand, two hundred thirty-three".