2142879031 has 2 divisors, whose sum is σ = 2142879032. Its totient is φ = 2142879030.

The previous prime is 2142878963. The next prime is 2142879043. The reversal of 2142879031 is 1309782412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142879031 is a prime.

It is a super-2 number, since 2×2142879031² = 9183861082998997922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142877031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071439515 + 1071439516.

It is an arithmetic number, because the mean of its divisors is an integer number (1071439516).

Almost surely, 2^2142879031 is an apocalyptic number.

2142879031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142879031 is an equidigital number, since it uses as much as digits as its factorization.

2142879031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2142879031 is about 46291.2414069876. The cubic root of 2142879031 is about 1289.2363789801.

The spelling of 2142879031 in words is "two billion, one hundred forty-two million, eight hundred seventy-nine thousand, thirty-one".