13031142 has 8 divisors (see below), whose sum is σ = 26062296. Its totient is φ = 4343712.

The previous prime is 13031101. The next prime is 13031159. The reversal of 13031142 is 24113031.

It is a sphenic number, since it is the product of 3 distinct primes.

13031142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085923 + ... + 1085934.

It is an arithmetic number, because the mean of its divisors is an integer number (3257787).

Almost surely, 2^13031142 is an apocalyptic number.

13031142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13031142 is a wasteful number, since it uses less digits than its factorization.

13031142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171862.

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

The square root of 13031142 is about 3609.8673105808. The cubic root of 13031142 is about 235.3210761342.

Adding to 13031142 its reverse (24113031), we get a palindrome (37144173).

The spelling of 13031142 in words is "thirteen million, thirty-one thousand, one hundred forty-two".