2131042 has 8 divisors (see below), whose sum is σ = 3335616. Its totient is φ = 1019172.

The previous prime is 2131039. The next prime is 2131043. The reversal of 2131042 is 2401312.

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

It is a super-3 number, since 3×2131042³ = 29033358865689978264, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23118 + ... + 23209.

It is an arithmetic number, because the mean of its divisors is an integer number (416952).

2^2131042 is an apocalyptic number.

2131042 is a deficient number, since it is larger than the sum of its proper divisors (1204574).

2131042 is a wasteful number, since it uses less digits than its factorization.

2131042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46352.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2131042 is about 1459.8088916019. The cubic root of 2131042 is about 128.6858127283.

Adding to 2131042 its reverse (2401312), we get a palindrome (4532354).

It can be divided in two parts, 2 and 131042, that added together give a square (131044 = 362²).

The spelling of 2131042 in words is "two million, one hundred thirty-one thousand, forty-two".