2102142131 has 2 divisors, whose sum is σ = 2102142132. Its totient is φ = 2102142130.

The previous prime is 2102142103. The next prime is 2102142179. The reversal of 2102142131 is 1312412012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102142131 - 2⁶ = 2102142067 is a prime.

It is a super-2 number, since 2×2102142131² = 8838003077850442322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102142331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051071065 + 1051071066.

It is an arithmetic number, because the mean of its divisors is an integer number (1051071066).

Almost surely, 2^2102142131 is an apocalyptic number.

2102142131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102142131 is an equidigital number, since it uses as much as digits as its factorization.

2102142131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2102142131 is about 45849.1235575992. The cubic root of 2102142131 is about 1281.0144405623.

Adding to 2102142131 its reverse (1312412012), we get a palindrome (3414554143).

The spelling of 2102142131 in words is "two billion, one hundred two million, one hundred forty-two thousand, one hundred thirty-one".