1444230220131 has 16 divisors (see below), whose sum is σ = 2252210870400. Its totient is φ = 912145401864.

The previous prime is 1444230220087. The next prime is 1444230220163. The reversal of 1444230220131 is 1310220324441.

1444230220131 is a `hidden beast` number, since 1 + 4 + 4 + 423 + 0 + 2 + 201 + 31 = 666.

It is not a de Polignac number, because 1444230220131 - 2²³ = 1444221831523 is a prime.

It is a super-2 number, since 2×1444230220131² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1444230220095 and 1444230220104.

It is not an unprimeable number, because it can be changed into a prime (1444230220171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1407631281 + ... + 1407632306.

It is an arithmetic number, because the mean of its divisors is an integer number (140763179400).

Almost surely, 2^{1444230220131} is an apocalyptic number.

1444230220131 is a deficient number, since it is larger than the sum of its proper divisors (807980650269).

1444230220131 is a wasteful number, since it uses less digits than its factorization.

1444230220131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815263615 (or 2815263609 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1444230220131 its reverse (1310220324441), we get a palindrome (2754450544572).

The spelling of 1444230220131 in words is "one trillion, four hundred forty-four billion, two hundred thirty million, two hundred twenty thousand, one hundred thirty-one".