305212163411 has 6 divisors (see below), whose sum is σ = 316099637412. Its totient is φ = 294687605240.

The previous prime is 305212163383. The next prime is 305212163437. The reversal of 305212163411 is 114361212503.

It is a de Polignac number, because none of the positive numbers 2^k-305212163411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (305212163111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181457045 + ... + 181458726.

It is an arithmetic number, because the mean of its divisors is an integer number (52683272902).

Almost surely, 2^305212163411 is an apocalyptic number.

305212163411 is a deficient number, since it is larger than the sum of its proper divisors (10887474001).

305212163411 is an equidigital number, since it uses as much as digits as its factorization.

305212163411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362915829 (or 362915800 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 305212163411 its reverse (114361212503), we get a palindrome (419573375914).

The spelling of 305212163411 in words is "three hundred five billion, two hundred twelve million, one hundred sixty-three thousand, four hundred eleven".