44220142131 has 16 divisors (see below), whose sum is σ = 64405210368. Its totient is φ = 26764668000.

The previous prime is 44220142129. The next prime is 44220142159. The reversal of 44220142131 is 13124102244.

It is not a de Polignac number, because 44220142131 - 2¹ = 44220142129 is a prime.

It is a super-2 number, since 2×44220142131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44220142121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860095 + ... + 910056.

It is an arithmetic number, because the mean of its divisors is an integer number (4025325648).

Almost surely, 2^44220142131 is an apocalyptic number.

44220142131 is a deficient number, since it is larger than the sum of its proper divisors (20185068237).

44220142131 is a wasteful number, since it uses less digits than its factorization.

44220142131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770922.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 44220142131 its reverse (13124102244), we get a palindrome (57344244375).

The spelling of 44220142131 in words is "forty-four billion, two hundred twenty million, one hundred forty-two thousand, one hundred thirty-one".