13105442531403 has 24 divisors (see below), whose sum is σ = 18957446539200. Its totient is φ = 8724333999744.

The previous prime is 13105442531369. The next prime is 13105442531413. The reversal of 13105442531403 is 30413524450131.

13105442531403 is a `hidden beast` number, since 1 + 31 + 0 + 54 + 4 + 2 + 531 + 40 + 3 = 666.

It is not a de Polignac number, because 13105442531403 - 2⁶ = 13105442531339 is a prime.

It is a super-2 number, since 2×13105442531403² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13105442531413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150012351 + ... + 150099687.

It is an arithmetic number, because the mean of its divisors is an integer number (789893605800).

Almost surely, 2^{13105442531403} is an apocalyptic number.

13105442531403 is a deficient number, since it is larger than the sum of its proper divisors (5852004007797).

13105442531403 is a wasteful number, since it uses less digits than its factorization.

13105442531403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111251 (or 111248 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 13105442531403 its reverse (30413524450131), we get a palindrome (43518966981534).

The spelling of 13105442531403 in words is "thirteen trillion, one hundred five billion, four hundred forty-two million, five hundred thirty-one thousand, four hundred three".