2931142 has 4 divisors (see below), whose sum is σ = 4396716. Its totient is φ = 1465570.

The previous prime is 2931127. The next prime is 2931151. The reversal of 2931142 is 2411392.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732784 + ... + 732787.

It is an arithmetic number, because the mean of its divisors is an integer number (1099179).

2^2931142 is an apocalyptic number.

2931142 is a deficient number, since it is larger than the sum of its proper divisors (1465574).

2931142 is a wasteful number, since it uses less digits than its factorization.

2931142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465573.

The product of its digits is 432, while the sum is 22.

The square root of 2931142 is about 1712.0578261262. The cubic root of 2931142 is about 143.1129562147.

The spelling of 2931142 in words is "two million, nine hundred thirty-one thousand, one hundred forty-two".