31314240222233 has 2 divisors, whose sum is σ = 31314240222234. Its totient is φ = 31314240222232.

The previous prime is 31314240222211. The next prime is 31314240222241. The reversal of 31314240222233 is 33222204241313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17718265420249 + 13595974801984 = 4209307^2 + 3687272^2 .

It is a cyclic number.

It is not a de Polignac number, because 31314240222233 - 2²² = 31314236027929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31314240222233.

It is not a weakly prime, because it can be changed into another prime (31314240222203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15657120111116 + 15657120111117.

It is an arithmetic number, because the mean of its divisors is an integer number (15657120111117).

Almost surely, 2^{31314240222233} is an apocalyptic number.

It is an amenable number.

31314240222233 is a deficient number, since it is larger than the sum of its proper divisors (1).

31314240222233 is an equidigital number, since it uses as much as digits as its factorization.

31314240222233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31314240222233 its reverse (33222204241313), we get a palindrome (64536444463546).

The spelling of 31314240222233 in words is "thirty-one trillion, three hundred fourteen billion, two hundred forty million, two hundred twenty-two thousand, two hundred thirty-three".