31120122320233 has 8 divisors (see below), whose sum is σ = 31135824733640. Its totient is φ = 31104420681600.

The previous prime is 31120122320201. The next prime is 31120122320249. The reversal of 31120122320233 is 33202322102113.

It can be written as a sum of positive squares in 4 ways, for example, as 1253766160089 + 29866356160144 = 1119717^2 + 5465012^2 .

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 31120122320233 - 2⁵ = 31120122320201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31120122320198 and 31120122320207.

It is not an unprimeable number, because it can be changed into a prime (31120122320033) 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, 90903283 + ... + 91244983.

It is an arithmetic number, because the mean of its divisors is an integer number (3891978091705).

Almost surely, 2^{31120122320233} is an apocalyptic number.

It is an amenable number.

31120122320233 is a deficient number, since it is larger than the sum of its proper divisors (15702413407).

31120122320233 is a wasteful number, since it uses less digits than its factorization.

31120122320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387387.

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

Adding to 31120122320233 its reverse (33202322102113), we get a palindrome (64322444422346).

The spelling of 31120122320233 in words is "thirty-one trillion, one hundred twenty billion, one hundred twenty-two million, three hundred twenty thousand, two hundred thirty-three".