201202331345 has 4 divisors (see below), whose sum is σ = 241442797620. Its totient is φ = 160961865072.

The previous prime is 201202331303. The next prime is 201202331387. The reversal of 201202331345 is 543133202102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (201202331303) and next prime (201202331387).

It can be written as a sum of positive squares in 2 ways, for example, as 55082681809 + 146119649536 = 234697^2 + 382256^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202331345 - 2¹⁴ = 201202314961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20120233130 + ... + 20120233139.

It is an arithmetic number, because the mean of its divisors is an integer number (60360699405).

Almost surely, 2^201202331345 is an apocalyptic number.

It is an amenable number.

201202331345 is a deficient number, since it is larger than the sum of its proper divisors (40240466275).

201202331345 is an equidigital number, since it uses as much as digits as its factorization.

201202331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40240466274.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 201202331345 its reverse (543133202102), we get a palindrome (744335533447).

The spelling of 201202331345 in words is "two hundred one billion, two hundred two million, three hundred thirty-one thousand, three hundred forty-five".