13031342 has 4 divisors (see below), whose sum is σ = 19547016. Its totient is φ = 6515670.

The previous prime is 13031339. The next prime is 13031351. The reversal of 13031342 is 24313031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24313031 = 401 ⋅60631.

It is a self number, because there is not a number n which added to its sum of digits gives 13031342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257834 + ... + 3257837.

It is an arithmetic number, because the mean of its divisors is an integer number (4886754).

Almost surely, 2^13031342 is an apocalyptic number.

13031342 is a deficient number, since it is larger than the sum of its proper divisors (6515674).

13031342 is an equidigital number, since it uses as much as digits as its factorization.

13031342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515673.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13031342 is about 3609.8950123238. The cubic root of 13031342 is about 235.3222800188.

Adding to 13031342 its reverse (24313031), we get a palindrome (37344373).

The spelling of 13031342 in words is "thirteen million, thirty-one thousand, three hundred forty-two".