28341442131 has 16 divisors (see below), whose sum is σ = 39877689600. Its totient is φ = 17854756128.

The previous prime is 28341442117. The next prime is 28341442147. The reversal of 28341442131 is 13124414382.

It is not a de Polignac number, because 28341442131 - 2¹⁵ = 28341409363 is a prime.

It is a super-2 number, since 2×28341442131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28341442092 and 28341442101.

It is not an unprimeable number, because it can be changed into a prime (28341442231) 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, 603591 + ... + 648848.

It is an arithmetic number, because the mean of its divisors is an integer number (2492355600).

Almost surely, 2^28341442131 is an apocalyptic number.

28341442131 is a deficient number, since it is larger than the sum of its proper divisors (11536247469).

28341442131 is a wasteful number, since it uses less digits than its factorization.

28341442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252858.

The product of its digits is 18432, while the sum is 33.

The spelling of 28341442131 in words is "twenty-eight billion, three hundred forty-one million, four hundred forty-two thousand, one hundred thirty-one".