244401131 has 4 divisors (see below), whose sum is σ = 263201232. Its totient is φ = 225601032.

The previous prime is 244401107. The next prime is 244401137. The reversal of 244401131 is 131104442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244401131 is a prime.

It is a super-2 number, since 2×244401131² = 119463825668158322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244401137) 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, 9400031 + ... + 9400056.

It is an arithmetic number, because the mean of its divisors is an integer number (65800308).

Almost surely, 2^244401131 is an apocalyptic number.

244401131 is a deficient number, since it is larger than the sum of its proper divisors (18800101).

244401131 is a wasteful number, since it uses less digits than its factorization.

244401131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18800100.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 244401131 is about 15633.3339694385. Note that the first 3 decimals coincide. The cubic root of 244401131 is about 625.2222194336. Note that the first 4 decimals are identical.

Adding to 244401131 its reverse (131104442), we get a palindrome (375505573).

The spelling of 244401131 in words is "two hundred forty-four million, four hundred one thousand, one hundred thirty-one".