312403011001 has 2 divisors, whose sum is σ = 312403011002. Its totient is φ = 312403011000.

The previous prime is 312403010993. The next prime is 312403011049. The reversal of 312403011001 is 100110304213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202341630976 + 110061380025 = 449824^2 + 331755^2 .

It is a cyclic number.

It is not a de Polignac number, because 312403011001 - 2³ = 312403010993 is a prime.

It is not a weakly prime, because it can be changed into another prime (312403011061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156201505500 + 156201505501.

It is an arithmetic number, because the mean of its divisors is an integer number (156201505501).

Almost surely, 2^312403011001 is an apocalyptic number.

It is an amenable number.

312403011001 is a deficient number, since it is larger than the sum of its proper divisors (1).

312403011001 is an equidigital number, since it uses as much as digits as its factorization.

312403011001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312403011001 its reverse (100110304213), we get a palindrome (412513315214).

The spelling of 312403011001 in words is "three hundred twelve billion, four hundred three million, eleven thousand, one".