13442031 has 14 divisors (see below), whose sum is σ = 20154920. Its totient is φ = 8960868.

The previous prime is 13442017. The next prime is 13442057. The reversal of 13442031 is 13024431.

It is not a de Polignac number, because 13442031 - 2²² = 9247727 is a prime.

It is a super-2 number, since 2×13442031² = 361376394809922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13441995 and 13442013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442131) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8491 + ... + 9948.

Almost surely, 2^13442031 is an apocalyptic number.

13442031 is a deficient number, since it is larger than the sum of its proper divisors (6712889).

13442031 is an frugal number, since it uses more digits than its factorization.

13442031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18457 (or 18442 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13442031 is about 3666.3375458351. The cubic root of 13442031 is about 237.7688538024.

Adding to 13442031 its reverse (13024431), we get a palindrome (26466462).

It can be divided in two parts, 1344 and 2031, that added together give a cube (3375 = 15³).

The spelling of 13442031 in words is "thirteen million, four hundred forty-two thousand, thirty-one".