13131042 has 32 divisors (see below), whose sum is σ = 27316224. Its totient is φ = 4203600.

The previous prime is 13131037. The next prime is 13131061. The reversal of 13131042 is 24013131.

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, 42067 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (853632).

Almost surely, 2^13131042 is an apocalyptic number.

13131042 is an abundant number, since it is smaller than the sum of its proper divisors (14185182).

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

13131042 is a wasteful number, since it uses less digits than its factorization.

13131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13131042 is about 3623.6779658242. The cubic root of 13131042 is about 235.9208894085.

Adding to 13131042 its reverse (24013131), we get a palindrome (37144173).

The spelling of 13131042 in words is "thirteen million, one hundred thirty-one thousand, forty-two".