1333243141 has 2 divisors, whose sum is σ = 1333243142. Its totient is φ = 1333243140.

The previous prime is 1333243111. The next prime is 1333243147. The reversal of 1333243141 is 1413423331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 779582241 + 553660900 = 27921^2 + 23530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333243141 - 2¹⁹ = 1332718853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333243147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666621570 + 666621571.

It is an arithmetic number, because the mean of its divisors is an integer number (666621571).

Almost surely, 2^1333243141 is an apocalyptic number.

It is an amenable number.

1333243141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333243141 is an equidigital number, since it uses as much as digits as its factorization.

1333243141 is an evil number, because the sum of its binary digits is even.

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

The square root of 1333243141 is about 36513.6021367380. The cubic root of 1333243141 is about 1100.6175983617.

Adding to 1333243141 its reverse (1413423331), we get a palindrome (2746666472).

The spelling of 1333243141 in words is "one billion, three hundred thirty-three million, two hundred forty-three thousand, one hundred forty-one".