13031022 has 8 divisors (see below), whose sum is σ = 26062056. Its totient is φ = 4343672.

The previous prime is 13031009. The next prime is 13031033. The reversal of 13031022 is 22013031.

It is a happy number.

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

13031022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13030989 and 13031007.

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, 1085913 + ... + 1085924.

It is an arithmetic number, because the mean of its divisors is an integer number (3257757).

Almost surely, 2^13031022 is an apocalyptic number.

13031022 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.

13031022 is a wasteful number, since it uses less digits than its factorization.

13031022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171842.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13031022 is about 3609.8506894330. The cubic root of 13031022 is about 235.3203537975.

Adding to 13031022 its reverse (22013031), we get a palindrome (35044053).

Subtracting 13031022 from its reverse (22013031), we obtain a square (8982009 = 2997²).

The spelling of 13031022 in words is "thirteen million, thirty-one thousand, twenty-two".