13413131031 has 4 divisors (see below), whose sum is σ = 17884174712. Its totient is φ = 8942087352.

The previous prime is 13413131027. The next prime is 13413131059. The reversal of 13413131031 is 13013131431.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13413131031 - 2² = 13413131027 is a prime.

It is a super-2 number, since 2×13413131031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13413130989 and 13413131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413131731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235521836 + ... + 2235521841.

It is an arithmetic number, because the mean of its divisors is an integer number (4471043678).

Almost surely, 2^13413131031 is an apocalyptic number.

13413131031 is a deficient number, since it is larger than the sum of its proper divisors (4471043681).

13413131031 is an equidigital number, since it uses as much as digits as its factorization.

13413131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4471043680.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13413131031 its reverse (13013131431), we get a palindrome (26426262462).

The spelling of 13413131031 in words is "thirteen billion, four hundred thirteen million, one hundred thirty-one thousand, thirty-one".