235143531033197 has 2 divisors, whose sum is σ = 235143531033198. Its totient is φ = 235143531033196.

The previous prime is 235143531033149. The next prime is 235143531033247. The reversal of 235143531033197 is 791330135341532.

It is an a-pointer prime, because the next prime (235143531033247) can be obtained adding 235143531033197 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128402688283081 + 106740842750116 = 11331491^2 + 10331546^2 .

It is a cyclic number.

It is not a de Polignac number, because 235143531033197 - 2⁶ = 235143531033133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235143531033107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117571765516598 + 117571765516599.

It is an arithmetic number, because the mean of its divisors is an integer number (117571765516599).

Almost surely, 2^{235143531033197} is an apocalyptic number.

It is an amenable number.

235143531033197 is a deficient number, since it is larger than the sum of its proper divisors (1).

235143531033197 is an equidigital number, since it uses as much as digits as its factorization.

235143531033197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 50.

The spelling of 235143531033197 in words is "two hundred thirty-five trillion, one hundred forty-three billion, five hundred thirty-one million, thirty-three thousand, one hundred ninety-seven".