1333123144231 has 2 divisors, whose sum is σ = 1333123144232. Its totient is φ = 1333123144230.

The previous prime is 1333123144229. The next prime is 1333123144261. The reversal of 1333123144231 is 1324413213331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1333123144231 - 2¹ = 1333123144229 is a prime.

It is a super-2 number, since 2×1333123144231² (a number of 25 digits) contains 22 as substring.

Together with 1333123144229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1333123144193 and 1333123144202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333123144261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666561572115 + 666561572116.

It is an arithmetic number, because the mean of its divisors is an integer number (666561572116).

Almost surely, 2^{1333123144231} is an apocalyptic number.

1333123144231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333123144231 is an equidigital number, since it uses as much as digits as its factorization.

1333123144231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 31.

Adding to 1333123144231 its reverse (1324413213331), we get a palindrome (2657536357562).

The spelling of 1333123144231 in words is "one trillion, three hundred thirty-three billion, one hundred twenty-three million, one hundred forty-four thousand, two hundred thirty-one".