311430430471 has 2 divisors, whose sum is σ = 311430430472. Its totient is φ = 311430430470.

The previous prime is 311430430429. The next prime is 311430430481. The reversal of 311430430471 is 174034034113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311430430471 - 2¹¹ = 311430428423 is a prime.

It is a super-3 number, since 3×311430430471³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311430430481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155715215235 + 155715215236.

It is an arithmetic number, because the mean of its divisors is an integer number (155715215236).

Almost surely, 2^311430430471 is an apocalyptic number.

311430430471 is a deficient number, since it is larger than the sum of its proper divisors (1).

311430430471 is an equidigital number, since it uses as much as digits as its factorization.

311430430471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 311430430471 its reverse (174034034113), we get a palindrome (485464464584).

The spelling of 311430430471 in words is "three hundred eleven billion, four hundred thirty million, four hundred thirty thousand, four hundred seventy-one".