2142131 has 8 divisors (see below), whose sum is σ = 2264064. Its totient is φ = 2023560.

The previous prime is 2142121. The next prime is 2142149. The reversal of 2142131 is 1312412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2142131 - 2⁶ = 2142067 is a prime.

It is a super-2 number, since 2×2142131² = 9177450442322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (283008).

2^2142131 is an apocalyptic number.

2142131 is a deficient number, since it is larger than the sum of its proper divisors (121933).

2142131 is a wasteful number, since it uses less digits than its factorization.

2142131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681.

The product of its digits is 48, while the sum is 14.

The square root of 2142131 is about 1463.6020634038. The cubic root of 2142131 is about 128.9086347021.

Adding to 2142131 its reverse (1312412), we get a palindrome (3454543).

The spelling of 2142131 in words is "two million, one hundred forty-two thousand, one hundred thirty-one".