13531133042 has 32 divisors (see below), whose sum is σ = 23652172800. Its totient is φ = 5685594768.

The previous prime is 13531133039. The next prime is 13531133087. The reversal of 13531133042 is 24033113531.

It is a super-2 number, since 2×13531133042² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291443 + ... + 334665.

It is an arithmetic number, because the mean of its divisors is an integer number (739130400).

Almost surely, 2^13531133042 is an apocalyptic number.

13531133042 is a deficient number, since it is larger than the sum of its proper divisors (10121039758).

13531133042 is a wasteful number, since it uses less digits than its factorization.

13531133042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43670.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13531133042 its reverse (24033113531), we get a palindrome (37564246573).

The spelling of 13531133042 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-three thousand, forty-two".