312033213253 has 2 divisors, whose sum is σ = 312033213254. Its totient is φ = 312033213252.

The previous prime is 312033213221. The next prime is 312033213259. The reversal of 312033213253 is 352312330213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207004070529 + 105029142724 = 454977^2 + 324082^2 .

It is a cyclic number.

It is not a de Polignac number, because 312033213253 - 2⁵ = 312033213221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312033213259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156016606626 + 156016606627.

It is an arithmetic number, because the mean of its divisors is an integer number (156016606627).

Almost surely, 2^312033213253 is an apocalyptic number.

It is an amenable number.

312033213253 is a deficient number, since it is larger than the sum of its proper divisors (1).

312033213253 is an equidigital number, since it uses as much as digits as its factorization.

312033213253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 312033213253 its reverse (352312330213), we get a palindrome (664345543466).

The spelling of 312033213253 in words is "three hundred twelve billion, thirty-three million, two hundred thirteen thousand, two hundred fifty-three".