3240040202231 has 4 divisors (see below), whose sum is σ = 3702903088272. Its totient is φ = 2777177316192.

The previous prime is 3240040202221. The next prime is 3240040202233. The reversal of 3240040202231 is 1322020400423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3240040202231 is a prime.

It is a super-2 number, since 2×3240040202231² (a number of 26 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 = 3240040202197 and 3240040202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240040202233) 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, 231431443010 + ... + 231431443023.

It is an arithmetic number, because the mean of its divisors is an integer number (925725772068).

Almost surely, 2^{3240040202231} is an apocalyptic number.

3240040202231 is a deficient number, since it is larger than the sum of its proper divisors (462862886041).

3240040202231 is an equidigital number, since it uses as much as digits as its factorization.

3240040202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462862886040.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 3240040202231 its reverse (1322020400423), we get a palindrome (4562060602654).

The spelling of 3240040202231 in words is "three trillion, two hundred forty billion, forty million, two hundred two thousand, two hundred thirty-one".