331320211423 has 2 divisors, whose sum is σ = 331320211424. Its totient is φ = 331320211422.

The previous prime is 331320211399. The next prime is 331320211427. The reversal of 331320211423 is 324112023133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331320211423 - 2¹³ = 331320203231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331320211427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165660105711 + 165660105712.

It is an arithmetic number, because the mean of its divisors is an integer number (165660105712).

Almost surely, 2^331320211423 is an apocalyptic number.

331320211423 is a deficient number, since it is larger than the sum of its proper divisors (1).

331320211423 is an equidigital number, since it uses as much as digits as its factorization.

331320211423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 331320211423 its reverse (324112023133), we get a palindrome (655432234556).

The spelling of 331320211423 in words is "three hundred thirty-one billion, three hundred twenty million, two hundred eleven thousand, four hundred twenty-three".