130321441 has 4 divisors (see below), whose sum is σ = 130538884. Its totient is φ = 130104000.

The previous prime is 130321417. The next prime is 130321463. The reversal of 130321441 is 144123031.

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 68541841 + 61779600 = 8279^2 + 7860^2 .

It is a cyclic number.

It is not a de Polignac number, because 130321441 - 2⁵ = 130321409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130328441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107820 + ... + 109021.

It is an arithmetic number, because the mean of its divisors is an integer number (32634721).

Almost surely, 2^130321441 is an apocalyptic number.

It is an amenable number.

130321441 is a deficient number, since it is larger than the sum of its proper divisors (217443).

130321441 is an equidigital number, since it uses as much as digits as its factorization.

130321441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217442.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 130321441 is about 11415.8416684886. The cubic root of 130321441 is about 506.9968851402.

Adding to 130321441 its reverse (144123031), we get a palindrome (274444472).

It can be divided in two parts, 130321 and 441, that multiplied together give a square (57471561 = 7581²).

The spelling of 130321441 in words is "one hundred thirty million, three hundred twenty-one thousand, four hundred forty-one".