2141239531 has 2 divisors, whose sum is σ = 2141239532. Its totient is φ = 2141239530.

The previous prime is 2141239459. The next prime is 2141239549. The reversal of 2141239531 is 1359321412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141239531 is a prime.

It is a super-2 number, since 2×2141239531² = 9169813458234199922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2141239493 and 2141239502.

It is not a weakly prime, because it can be changed into another prime (2141234531) 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 as a sum of consecutive naturals, namely, 1070619765 + 1070619766.

It is an arithmetic number, because the mean of its divisors is an integer number (1070619766).

Almost surely, 2^2141239531 is an apocalyptic number.

2141239531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141239531 is an equidigital number, since it uses as much as digits as its factorization.

2141239531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 2141239531 is about 46273.5294850090. The cubic root of 2141239531 is about 1288.9075001989.

The spelling of 2141239531 in words is "two billion, one hundred forty-one million, two hundred thirty-nine thousand, five hundred thirty-one".