2131342142 has 16 divisors (see below), whose sum is σ = 3210194592. Its totient is φ = 1061286240.

The previous prime is 2131342141. The next prime is 2131342177. The reversal of 2131342142 is 2412431312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131342141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660092 + ... + 663312.

It is an arithmetic number, because the mean of its divisors is an integer number (200637162).

Almost surely, 2^2131342142 is an apocalyptic number.

2131342142 is a deficient number, since it is larger than the sum of its proper divisors (1078852450).

2131342142 is a wasteful number, since it uses less digits than its factorization.

2131342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4483.

The product of its digits is 1152, while the sum is 23.

The square root of 2131342142 is about 46166.4612245730. The cubic root of 2131342142 is about 1286.9185393632.

Adding to 2131342142 its reverse (2412431312), we get a palindrome (4543773454).

The spelling of 2131342142 in words is "two billion, one hundred thirty-one million, three hundred forty-two thousand, one hundred forty-two".