2631142 has 8 divisors (see below), whose sum is σ = 3958416. Its totient is φ = 1311672.

The previous prime is 2631137. The next prime is 2631143. The reversal of 2631142 is 2411362.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631143) 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, 1018 + ... + 2509.

It is an arithmetic number, because the mean of its divisors is an integer number (494802).

2^2631142 is an apocalyptic number.

2631142 is a deficient number, since it is larger than the sum of its proper divisors (1327274).

2631142 is a wasteful number, since it uses less digits than its factorization.

2631142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3902.

The product of its digits is 288, while the sum is 19.

The square root of 2631142 is about 1622.0795294929. The cubic root of 2631142 is about 138.0537142995.

The spelling of 2631142 in words is "two million, six hundred thirty-one thousand, one hundred forty-two".