311023212003223 has 2 divisors, whose sum is σ = 311023212003224. Its totient is φ = 311023212003222.

The previous prime is 311023212003193. The next prime is 311023212003281. The reversal of 311023212003223 is 322300212320113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311023212003223 - 2¹³ = 311023211995031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311023212000223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155511606001611 + 155511606001612.

It is an arithmetic number, because the mean of its divisors is an integer number (155511606001612).

Almost surely, 2^{311023212003223} is an apocalyptic number.

311023212003223 is a deficient number, since it is larger than the sum of its proper divisors (1).

311023212003223 is an equidigital number, since it uses as much as digits as its factorization.

311023212003223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311023212003223 its reverse (322300212320113), we get a palindrome (633323424323336).

The spelling of 311023212003223 in words is "three hundred eleven trillion, twenty-three billion, two hundred twelve million, three thousand, two hundred twenty-three".