31431434424053 has 2 divisors, whose sum is σ = 31431434424054. Its totient is φ = 31431434424052.

The previous prime is 31431434423989. The next prime is 31431434424067. The reversal of 31431434424053 is 35042443413413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28307954352484 + 3123480071569 = 5320522^2 + 1767337^2 .

It is a cyclic number.

It is not a de Polignac number, because 31431434424053 - 2⁶ = 31431434423989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31431434424053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31431434424073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715717212026 + 15715717212027.

It is an arithmetic number, because the mean of its divisors is an integer number (15715717212027).

Almost surely, 2^{31431434424053} is an apocalyptic number.

It is an amenable number.

31431434424053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31431434424053 is an equidigital number, since it uses as much as digits as its factorization.

31431434424053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 31431434424053 its reverse (35042443413413), we get a palindrome (66473877837466).

The spelling of 31431434424053 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred thirty-four million, four hundred twenty-four thousand, fifty-three".