331505342023 has 2 divisors, whose sum is σ = 331505342024. Its totient is φ = 331505342022.

The previous prime is 331505341967. The next prime is 331505342053. The reversal of 331505342023 is 320243505133.

It is a strong prime.

It is an emirp because it is prime and its reverse (320243505133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 331505342023 - 2²¹ = 331503244871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331505342053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165752671011 + 165752671012.

It is an arithmetic number, because the mean of its divisors is an integer number (165752671012).

Almost surely, 2^331505342023 is an apocalyptic number.

331505342023 is a deficient number, since it is larger than the sum of its proper divisors (1).

331505342023 is an equidigital number, since it uses as much as digits as its factorization.

331505342023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 331505342023 its reverse (320243505133), we get a palindrome (651748847156).

The spelling of 331505342023 in words is "three hundred thirty-one billion, five hundred five million, three hundred forty-two thousand, twenty-three".