1331153203 has 2 divisors, whose sum is σ = 1331153204. Its totient is φ = 1331153202.

The previous prime is 1331153147. The next prime is 1331153269. The reversal of 1331153203 is 3023511331.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331153203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1331151203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665576601 + 665576602.

It is an arithmetic number, because the mean of its divisors is an integer number (665576602).

Almost surely, 2^1331153203 is an apocalyptic number.

1331153203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331153203 is an equidigital number, since it uses as much as digits as its factorization.

1331153203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1331153203 is about 36484.9722899717. The cubic root of 1331153203 is about 1100.0422030640.

Adding to 1331153203 its reverse (3023511331), we get a palindrome (4354664534).

The spelling of 1331153203 in words is "one billion, three hundred thirty-one million, one hundred fifty-three thousand, two hundred three".