3240431431405 has 32 divisors (see below), whose sum is σ = 4462077312000. Its totient is φ = 2212987703040.

The previous prime is 3240431431373. The next prime is 3240431431417. The reversal of 3240431431405 is 5041341340423.

It is not a de Polignac number, because 3240431431405 - 2⁵ = 3240431431373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26012127 + ... + 26136403.

It is an arithmetic number, because the mean of its divisors is an integer number (139439916000).

Almost surely, 2^{3240431431405} is an apocalyptic number.

3240431431405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3240431431405 is a deficient number, since it is larger than the sum of its proper divisors (1221645880595).

3240431431405 is a wasteful number, since it uses less digits than its factorization.

3240431431405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127309.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 3240431431405 its reverse (5041341340423), we get a palindrome (8281772771828).

The spelling of 3240431431405 in words is "three trillion, two hundred forty billion, four hundred thirty-one million, four hundred thirty-one thousand, four hundred five".