13361031 has 40 divisors (see below), whose sum is σ = 21884544. Its totient is φ = 8087040.

The previous prime is 13361027. The next prime is 13361053. The reversal of 13361031 is 13016331.

It is not a de Polignac number, because 13361031 - 2² = 13361027 is a prime.

It is a super-2 number, since 2×13361031² = 357034298765922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13360995 and 13361013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13361011) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42531 + ... + 42843.

Almost surely, 2^13361031 is an apocalyptic number.

13361031 is a deficient number, since it is larger than the sum of its proper divisors (8523513).

13361031 is a wasteful number, since it uses less digits than its factorization.

13361031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 13361031 is about 3655.2744083037. The cubic root of 13361031 is about 237.2903028094.

Adding to 13361031 its reverse (13016331), we get a palindrome (26377362).

The spelling of 13361031 in words is "thirteen million, three hundred sixty-one thousand, thirty-one".