40431130134413 has 2 divisors, whose sum is σ = 40431130134414. Its totient is φ = 40431130134412.

The previous prime is 40431130134401. The next prime is 40431130134467. The reversal of 40431130134413 is 31443103113404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40427444794564 + 3685339849 = 6358258^2 + 60707^2 .

It is a cyclic number.

It is not a de Polignac number, because 40431130134413 - 2⁴⁰ = 39331618506637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40431130134413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40431130434413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215565067206 + 20215565067207.

It is an arithmetic number, because the mean of its divisors is an integer number (20215565067207).

Almost surely, 2^{40431130134413} is an apocalyptic number.

It is an amenable number.

40431130134413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40431130134413 is an equidigital number, since it uses as much as digits as its factorization.

40431130134413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 40431130134413 its reverse (31443103113404), we get a palindrome (71874233247817).

The spelling of 40431130134413 in words is "forty trillion, four hundred thirty-one billion, one hundred thirty million, one hundred thirty-four thousand, four hundred thirteen".