1335231238 has 32 divisors (see below), whose sum is σ = 2318958720. Its totient is φ = 569861760.

The previous prime is 1335231229. The next prime is 1335231239. The reversal of 1335231238 is 8321325331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1335231239) 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 15 ways as a sum of consecutive naturals, for example, 161653 + ... + 169711.

It is an arithmetic number, because the mean of its divisors is an integer number (72467460).

Almost surely, 2^1335231238 is an apocalyptic number.

1335231238 is a deficient number, since it is larger than the sum of its proper divisors (983727482).

1335231238 is a wasteful number, since it uses less digits than its factorization.

1335231238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532.

The product of its digits is 12960, while the sum is 31.

The square root of 1335231238 is about 36540.8160554742. The cubic root of 1335231238 is about 1101.1643973035.

Adding to 1335231238 its reverse (8321325331), we get a palindrome (9656556569).

The spelling of 1335231238 in words is "one billion, three hundred thirty-five million, two hundred thirty-one thousand, two hundred thirty-eight".