300111403434431 has 2 divisors, whose sum is σ = 300111403434432. Its totient is φ = 300111403434430.

The previous prime is 300111403434379. The next prime is 300111403434433. The reversal of 300111403434431 is 134434304111003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300111403434431 is a prime.

It is a super-2 number, since 2×300111403434431² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 300111403434433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300111403434433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150055701717215 + 150055701717216.

It is an arithmetic number, because the mean of its divisors is an integer number (150055701717216).

Almost surely, 2^{300111403434431} is an apocalyptic number.

300111403434431 is a deficient number, since it is larger than the sum of its proper divisors (1).

300111403434431 is an equidigital number, since it uses as much as digits as its factorization.

300111403434431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 300111403434431 its reverse (134434304111003), we get a palindrome (434545707545434).

The spelling of 300111403434431 in words is "three hundred trillion, one hundred eleven billion, four hundred three million, four hundred thirty-four thousand, four hundred thirty-one".