201024343197 has 6 divisors (see below), whose sum is σ = 290368495742. Its totient is φ = 134016228792.

The previous prime is 201024343147. The next prime is 201024343207. The reversal of 201024343197 is 791343420102.

It is a happy number.

201024343197 is a `hidden beast` number, since 2 + 0 + 102 + 434 + 31 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 191484132921 + 9540210276 = 437589^2 + 97674^2 .

It is not a de Polignac number, because 201024343197 - 2⁶ = 201024343133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201024343127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11168019058 + ... + 11168019075.

Almost surely, 2^201024343197 is an apocalyptic number.

It is an amenable number.

201024343197 is a deficient number, since it is larger than the sum of its proper divisors (89344152545).

201024343197 is a wasteful number, since it uses less digits than its factorization.

201024343197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22336038139 (or 22336038136 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 201024343197 its reverse (791343420102), we get a palindrome (992367763299).

The spelling of 201024343197 in words is "two hundred one billion, twenty-four million, three hundred forty-three thousand, one hundred ninety-seven".