13240202031 has 32 divisors (see below), whose sum is σ = 22470656000. Its totient is φ = 7547813280.

The previous prime is 13240201991. The next prime is 13240202071. The reversal of 13240202031 is 13020204231.

It is an interprime number because it is at equal distance from previous prime (13240201991) and next prime (13240202071).

It is not a de Polignac number, because 13240202031 - 2²¹ = 13238104879 is a prime.

It is a super-2 number, since 2×13240202031² (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 = 13240201995 and 13240202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240202071) 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 31 ways as a sum of consecutive naturals, for example, 3631 + ... + 162768.

It is an arithmetic number, because the mean of its divisors is an integer number (702208000).

Almost surely, 2^13240202031 is an apocalyptic number.

13240202031 is a deficient number, since it is larger than the sum of its proper divisors (9230453969).

13240202031 is a wasteful number, since it uses less digits than its factorization.

13240202031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166836 (or 166830 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13240202031 its reverse (13020204231), we get a palindrome (26260406262).

The spelling of 13240202031 in words is "thirteen billion, two hundred forty million, two hundred two thousand, thirty-one".