3240431431351 has 2 divisors, whose sum is σ = 3240431431352. Its totient is φ = 3240431431350.

The previous prime is 3240431431339. The next prime is 3240431431373. The reversal of 3240431431351 is 1531341340423.

3240431431351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3240431431351 - 2⁹ = 3240431430839 is a prime.

It is a super-2 number, since 2×3240431431351² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240431431051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620215715675 + 1620215715676.

It is an arithmetic number, because the mean of its divisors is an integer number (1620215715676).

Almost surely, 2^{3240431431351} is an apocalyptic number.

3240431431351 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240431431351 is an equidigital number, since it uses as much as digits as its factorization.

3240431431351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 3240431431351 its reverse (1531341340423), we get a palindrome (4771772771774).

The spelling of 3240431431351 in words is "three trillion, two hundred forty billion, four hundred thirty-one million, four hundred thirty-one thousand, three hundred fifty-one".