312302040203213 has 2 divisors, whose sum is σ = 312302040203214. Its totient is φ = 312302040203212.

The previous prime is 312302040203203. The next prime is 312302040203243.

It is a happy number.

312302040203213 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241426553940649 + 70875486262564 = 15537907^2 + 8418758^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 312302040203213 - 2¹² = 312302040199117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312302040203203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156151020101606 + 156151020101607.

It is an arithmetic number, because the mean of its divisors is an integer number (156151020101607).

Almost surely, 2^{312302040203213} is an apocalyptic number.

It is an amenable number.

312302040203213 is a deficient number, since it is larger than the sum of its proper divisors (1).

312302040203213 is an equidigital number, since it uses as much as digits as its factorization.

312302040203213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

The spelling of 312302040203213 in words is "three hundred twelve trillion, three hundred two billion, forty million, two hundred three thousand, two hundred thirteen".