312203123311 has 2 divisors, whose sum is σ = 312203123312. Its totient is φ = 312203123310.

The previous prime is 312203123261. The next prime is 312203123359. The reversal of 312203123311 is 113321302213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312203123311 - 2⁹ = 312203122799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312203123381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156101561655 + 156101561656.

It is an arithmetic number, because the mean of its divisors is an integer number (156101561656).

Almost surely, 2^312203123311 is an apocalyptic number.

312203123311 is a deficient number, since it is larger than the sum of its proper divisors (1).

312203123311 is an equidigital number, since it uses as much as digits as its factorization.

312203123311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312203123311 its reverse (113321302213), we get a palindrome (425524425524).

The spelling of 312203123311 in words is "three hundred twelve billion, two hundred three million, one hundred twenty-three thousand, three hundred eleven".