312235410397 has 2 divisors, whose sum is σ = 312235410398. Its totient is φ = 312235410396.

The previous prime is 312235410379. The next prime is 312235410451. The reversal of 312235410397 is 793014532213.

It is a happy number.

Together with previous prime (312235410379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292730774116 + 19504636281 = 541046^2 + 139659^2 .

It is a cyclic number.

It is not a de Polignac number, because 312235410397 - 2¹¹ = 312235408349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312235410317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156117705198 + 156117705199.

It is an arithmetic number, because the mean of its divisors is an integer number (156117705199).

Almost surely, 2^312235410397 is an apocalyptic number.

It is an amenable number.

312235410397 is a deficient number, since it is larger than the sum of its proper divisors (1).

312235410397 is an equidigital number, since it uses as much as digits as its factorization.

312235410397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 312235410397 in words is "three hundred twelve billion, two hundred thirty-five million, four hundred ten thousand, three hundred ninety-seven".