1331141233 has 2 divisors, whose sum is σ = 1331141234. Its totient is φ = 1331141232.

The previous prime is 1331141177. The next prime is 1331141257. The reversal of 1331141233 is 3321411331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137847824 + 193293409 = 33732^2 + 13903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331141233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331141033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665570616 + 665570617.

It is an arithmetic number, because the mean of its divisors is an integer number (665570617).

Almost surely, 2^1331141233 is an apocalyptic number.

It is an amenable number.

1331141233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331141233 is an equidigital number, since it uses as much as digits as its factorization.

1331141233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 1331141233 is about 36484.8082494619. The cubic root of 1331141233 is about 1100.0389057865.

Adding to 1331141233 its reverse (3321411331), we get a palindrome (4652552564).

The spelling of 1331141233 in words is "one billion, three hundred thirty-one million, one hundred forty-one thousand, two hundred thirty-three".