120331645441 has 4 divisors (see below), whose sum is σ = 137521880512. Its totient is φ = 103141410372.

The previous prime is 120331645409. The next prime is 120331645471. The reversal of 120331645441 is 144546133021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120331645441 - 2⁵ = 120331645409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120331645397 and 120331645406.

It is not an unprimeable number, because it can be changed into a prime (120331645471) 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, 8595117525 + ... + 8595117538.

It is an arithmetic number, because the mean of its divisors is an integer number (34380470128).

Almost surely, 2^120331645441 is an apocalyptic number.

It is an amenable number.

120331645441 is a deficient number, since it is larger than the sum of its proper divisors (17190235071).

120331645441 is an equidigital number, since it uses as much as digits as its factorization.

120331645441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17190235070.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 120331645441 its reverse (144546133021), we get a palindrome (264877778462).

The spelling of 120331645441 in words is "one hundred twenty billion, three hundred thirty-one million, six hundred forty-five thousand, four hundred forty-one".