1442011131 has 12 divisors (see below), whose sum is σ = 2272260120. Its totient is φ = 873946080.

The previous prime is 1442011117. The next prime is 1442011133. The reversal of 1442011131 is 1311102441.

It is not a de Polignac number, because 1442011131 - 2¹⁰ = 1442010107 is a prime.

It is a super-2 number, since 2×1442011131² = 4158792203855798322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442011133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7282786 + ... + 7282983.

It is an arithmetic number, because the mean of its divisors is an integer number (189355010).

Almost surely, 2^1442011131 is an apocalyptic number.

1442011131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1442011131 is a deficient number, since it is larger than the sum of its proper divisors (830248989).

1442011131 is a wasteful number, since it uses less digits than its factorization.

1442011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565786 (or 14565783 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1442011131 is about 37973.8216538710. The cubic root of 1442011131 is about 1129.7686975343.

Adding to 1442011131 its reverse (1311102441), we get a palindrome (2753113572).

The spelling of 1442011131 in words is "one billion, four hundred forty-two million, eleven thousand, one hundred thirty-one".