331123111043 has 2 divisors, whose sum is σ = 331123111044. Its totient is φ = 331123111042.

The previous prime is 331123111009. The next prime is 331123111061. The reversal of 331123111043 is 340111321133.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331123111043 - 2¹² = 331123106947 is a prime.

It is not a weakly prime, because it can be changed into another prime (331123111073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165561555521 + 165561555522.

It is an arithmetic number, because the mean of its divisors is an integer number (165561555522).

Almost surely, 2^331123111043 is an apocalyptic number.

331123111043 is a deficient number, since it is larger than the sum of its proper divisors (1).

331123111043 is an equidigital number, since it uses as much as digits as its factorization.

331123111043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 331123111043 its reverse (340111321133), we get a palindrome (671234432176).

The spelling of 331123111043 in words is "three hundred thirty-one billion, one hundred twenty-three million, one hundred eleven thousand, forty-three".