13404303131 has 4 divisors (see below), whose sum is σ = 13766581632. Its totient is φ = 13042024632.

The previous prime is 13404303119. The next prime is 13404303181. The reversal of 13404303131 is 13130340431.

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

It is a cyclic number.

It is not a de Polignac number, because 13404303131 - 2⁶ = 13404303067 is a prime.

It is a super-2 number, since 2×13404303131² (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 = 13404303097 and 13404303106.

It is not an unprimeable number, because it can be changed into a prime (13404303181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181139195 + ... + 181139268.

It is an arithmetic number, because the mean of its divisors is an integer number (3441645408).

Almost surely, 2^13404303131 is an apocalyptic number.

13404303131 is a deficient number, since it is larger than the sum of its proper divisors (362278501).

13404303131 is an equidigital number, since it uses as much as digits as its factorization.

13404303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362278500.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13404303131 its reverse (13130340431), we get a palindrome (26534643562).

The spelling of 13404303131 in words is "thirteen billion, four hundred four million, three hundred three thousand, one hundred thirty-one".