320242311232541 has 4 divisors (see below), whose sum is σ = 320254704057084. Its totient is φ = 320229918408000.

The previous prime is 320242311232513. The next prime is 320242311232549. The reversal of 320242311232541 is 145232113242023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 188517430927225 + 131724880305316 = 13730165^2 + 11477146^2 .

It is a cyclic number.

It is not a de Polignac number, because 320242311232541 - 2⁶ = 320242311232477 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 (320242311232549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6196373510 + ... + 6196425191.

It is an arithmetic number, because the mean of its divisors is an integer number (80063676014271).

Almost surely, 2^{320242311232541} is an apocalyptic number.

It is an amenable number.

320242311232541 is a deficient number, since it is larger than the sum of its proper divisors (12392824543).

320242311232541 is a wasteful number, since it uses less digits than its factorization.

320242311232541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12392824542.

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 320242311232541 its reverse (145232113242023), we get a palindrome (465474424474564).

The spelling of 320242311232541 in words is "three hundred twenty trillion, two hundred forty-two billion, three hundred eleven million, two hundred thirty-two thousand, five hundred forty-one".