313213021010233 has 2 divisors, whose sum is σ = 313213021010234. Its totient is φ = 313213021010232.

The previous prime is 313213021010173. The next prime is 313213021010341. The reversal of 313213021010233 is 332010120312313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212056154373904 + 101156866636329 = 14562148^2 + 10057677^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313213021010233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313213021010198 and 313213021010207.

It is not a weakly prime, because it can be changed into another prime (313213021010033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156606510505116 + 156606510505117.

It is an arithmetic number, because the mean of its divisors is an integer number (156606510505117).

Almost surely, 2^{313213021010233} is an apocalyptic number.

It is an amenable number.

313213021010233 is a deficient number, since it is larger than the sum of its proper divisors (1).

313213021010233 is an equidigital number, since it uses as much as digits as its factorization.

313213021010233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 313213021010233 its reverse (332010120312313), we get a palindrome (645223141322546).

The spelling of 313213021010233 in words is "three hundred thirteen trillion, two hundred thirteen billion, twenty-one million, ten thousand, two hundred thirty-three".