311473475303 has 2 divisors, whose sum is σ = 311473475304. Its totient is φ = 311473475302.

The previous prime is 311473475279. The next prime is 311473475311. The reversal of 311473475303 is 303574374113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311473475303 - 2⁶ = 311473475239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311473475503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155736737651 + 155736737652.

It is an arithmetic number, because the mean of its divisors is an integer number (155736737652).

Almost surely, 2^311473475303 is an apocalyptic number.

311473475303 is a deficient number, since it is larger than the sum of its proper divisors (1).

311473475303 is an equidigital number, since it uses as much as digits as its factorization.

311473475303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 41.

The spelling of 311473475303 in words is "three hundred eleven billion, four hundred seventy-three million, four hundred seventy-five thousand, three hundred three".