1233311013 has 36 divisors (see below), whose sum is σ = 1969254924. Its totient is φ = 743212800.

The previous prime is 1233311011. The next prime is 1233311017. The reversal of 1233311013 is 3101133321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 619113924 + 614197089 = 24882^2 + 24783^2 .

It is not a de Polignac number, because 1233311013 - 2¹ = 1233311011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233311011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 193981 + ... + 200237.

Almost surely, 2^1233311013 is an apocalyptic number.

It is an amenable number.

1233311013 is a deficient number, since it is larger than the sum of its proper divisors (735943911).

1233311013 is a wasteful number, since it uses less digits than its factorization.

1233311013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6466 (or 6452 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1233311013 is about 35118.5280585619. The cubic root of 1233311013 is about 1072.4018056056.

Adding to 1233311013 its reverse (3101133321), we get a palindrome (4334444334).

The spelling of 1233311013 in words is "one billion, two hundred thirty-three million, three hundred eleven thousand, thirteen".