311430412355 has 4 divisors (see below), whose sum is σ = 373716494832. Its totient is φ = 249144329880.

The previous prime is 311430412351. The next prime is 311430412379. The reversal of 311430412355 is 553214034113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553214034113 = 13 ⋅42554925701.

It is not a de Polignac number, because 311430412355 - 2² = 311430412351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311430412351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31143041231 + ... + 31143041240.

It is an arithmetic number, because the mean of its divisors is an integer number (93429123708).

Almost surely, 2^311430412355 is an apocalyptic number.

311430412355 is a deficient number, since it is larger than the sum of its proper divisors (62286082477).

311430412355 is an equidigital number, since it uses as much as digits as its factorization.

311430412355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62286082476.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 311430412355 its reverse (553214034113), we get a palindrome (864644446468).

The spelling of 311430412355 in words is "three hundred eleven billion, four hundred thirty million, four hundred twelve thousand, three hundred fifty-five".