312113211253 has 2 divisors, whose sum is σ = 312113211254. Its totient is φ = 312113211252.

The previous prime is 312113211233. The next prime is 312113211409. The reversal of 312113211253 is 352112311213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273468335364 + 38644875889 = 522942^2 + 196583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312113211253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312113211233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156056605626 + 156056605627.

It is an arithmetic number, because the mean of its divisors is an integer number (156056605627).

Almost surely, 2^312113211253 is an apocalyptic number.

It is an amenable number.

312113211253 is a deficient number, since it is larger than the sum of its proper divisors (1).

312113211253 is an equidigital number, since it uses as much as digits as its factorization.

312113211253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

Adding to 312113211253 its reverse (352112311213), we get a palindrome (664225522466).

The spelling of 312113211253 in words is "three hundred twelve billion, one hundred thirteen million, two hundred eleven thousand, two hundred fifty-three".