20431343411293 has 2 divisors, whose sum is σ = 20431343411294. Its totient is φ = 20431343411292.

The previous prime is 20431343411287. The next prime is 20431343411363. The reversal of 20431343411293 is 39211434313402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11079324987844 + 9352018423449 = 3328562^2 + 3058107^2 .

It is a cyclic number.

It is not a de Polignac number, because 20431343411293 - 2²⁵ = 20431309856861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20431343411203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215671705646 + 10215671705647.

It is an arithmetic number, because the mean of its divisors is an integer number (10215671705647).

Almost surely, 2^{20431343411293} is an apocalyptic number.

It is an amenable number.

20431343411293 is a deficient number, since it is larger than the sum of its proper divisors (1).

20431343411293 is an equidigital number, since it uses as much as digits as its factorization.

20431343411293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 20431343411293 its reverse (39211434313402), we get a palindrome (59642777724695).

The spelling of 20431343411293 in words is "twenty trillion, four hundred thirty-one billion, three hundred forty-three million, four hundred eleven thousand, two hundred ninety-three".