28114131 has 16 divisors (see below), whose sum is σ = 39181824. Its totient is φ = 17913504.

The previous prime is 28114111. The next prime is 28114133. The reversal of 28114131 is 13141182.

It is a happy number.

It is not a de Polignac number, because 28114131 - 2⁷ = 28114003 is a prime.

It is a super-2 number, since 2×28114131² = 1580808723770322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28114098 and 28114107.

It is not an unprimeable number, because it can be changed into a prime (28114133) 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, 3745 + ... + 8381.

It is an arithmetic number, because the mean of its divisors is an integer number (2448864).

Almost surely, 2^28114131 is an apocalyptic number.

28114131 is a deficient number, since it is larger than the sum of its proper divisors (11067693).

28114131 is a wasteful number, since it uses less digits than its factorization.

28114131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730.

The product of its digits is 192, while the sum is 21.

The square root of 28114131 is about 5302.2760207292. The cubic root of 28114131 is about 304.0709199439.

The spelling of 28114131 in words is "twenty-eight million, one hundred fourteen thousand, one hundred thirty-one".