13420365131 has 16 divisors (see below), whose sum is σ = 14260250880. Its totient is φ = 12586183680.

The previous prime is 13420365107. The next prime is 13420365169. The reversal of 13420365131 is 13156302431.

It is a cyclic number.

It is not a de Polignac number, because 13420365131 - 2⁶ = 13420365067 is a prime.

It is a super-2 number, since 2×13420365131² (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 = 13420365094 and 13420365103.

It is not an unprimeable number, because it can be changed into a prime (13420365191) 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 15 ways as a sum of consecutive naturals, for example, 7851905 + ... + 7853613.

It is an arithmetic number, because the mean of its divisors is an integer number (891265680).

Almost surely, 2^13420365131 is an apocalyptic number.

13420365131 is a deficient number, since it is larger than the sum of its proper divisors (839885749).

13420365131 is a wasteful number, since it uses less digits than its factorization.

13420365131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 13420365131 its reverse (13156302431), we get a palindrome (26576667562).

The spelling of 13420365131 in words is "thirteen billion, four hundred twenty million, three hundred sixty-five thousand, one hundred thirty-one".