1442232020531 has 16 divisors (see below), whose sum is σ = 1574328660000. Its totient is φ = 1315984755456.

The previous prime is 1442232020513. The next prime is 1442232020539. The reversal of 1442232020531 is 1350202322441.

It is a cyclic number.

It is not a de Polignac number, because 1442232020531 - 2¹⁰ = 1442232019507 is a prime.

It is a super-2 number, since 2×1442232020531² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442232020494 and 1442232020503.

It is not an unprimeable number, because it can be changed into a prime (1442232020539) 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, 2974496 + ... + 3425213.

It is an arithmetic number, because the mean of its divisors is an integer number (98395541250).

Almost surely, 2^{1442232020531} is an apocalyptic number.

1442232020531 is a deficient number, since it is larger than the sum of its proper divisors (132096639469).

1442232020531 is a wasteful number, since it uses less digits than its factorization.

1442232020531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6400166.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 1442232020531 its reverse (1350202322441), we get a palindrome (2792434342972).

The spelling of 1442232020531 in words is "one trillion, four hundred forty-two billion, two hundred thirty-two million, twenty thousand, five hundred thirty-one".