13031043042 has 16 divisors (see below), whose sum is σ = 26127738432. Its totient is φ = 4332738960.

The previous prime is 13031042989. The next prime is 13031043071. The reversal of 13031043042 is 24034013031.

It is a super-2 number, since 2×13031043042² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732934 + ... + 2737697.

It is an arithmetic number, because the mean of its divisors is an integer number (1632983652).

Almost surely, 2^13031043042 is an apocalyptic number.

13031043042 is an abundant number, since it is smaller than the sum of its proper divisors (13096695390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031043042 is a wasteful number, since it uses less digits than its factorization.

13031043042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471033.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13031043042 its reverse (24034013031), we get a palindrome (37065056073).

The spelling of 13031043042 in words is "thirteen billion, thirty-one million, forty-three thousand, forty-two".