1535231042 has 32 divisors (see below), whose sum is σ = 2434558464. Its totient is φ = 725097600.

The previous prime is 1535231041. The next prime is 1535231063. The reversal of 1535231042 is 2401325351.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1535231041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516653 + ... + 519615.

It is an arithmetic number, because the mean of its divisors is an integer number (76079952).

Almost surely, 2^1535231042 is an apocalyptic number.

1535231042 is a deficient number, since it is larger than the sum of its proper divisors (899327422).

1535231042 is a wasteful number, since it uses less digits than its factorization.

1535231042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1535231042 is about 39182.0244755168. The cubic root of 1535231042 is about 1153.6070842901.

Adding to 1535231042 its reverse (2401325351), we get a palindrome (3936556393).

The spelling of 1535231042 in words is "one billion, five hundred thirty-five million, two hundred thirty-one thousand, forty-two".