211431400402039 has 2 divisors, whose sum is σ = 211431400402040. Its totient is φ = 211431400402038.

The previous prime is 211431400402021. The next prime is 211431400402099. The reversal of 211431400402039 is 930204004134112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211431400402039 - 2⁵ = 211431400402007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211431400401995 and 211431400402013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211431400402099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105715700201019 + 105715700201020.

It is an arithmetic number, because the mean of its divisors is an integer number (105715700201020).

Almost surely, 2^{211431400402039} is an apocalyptic number.

211431400402039 is a deficient number, since it is larger than the sum of its proper divisors (1).

211431400402039 is an equidigital number, since it uses as much as digits as its factorization.

211431400402039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 211431400402039 in words is "two hundred eleven trillion, four hundred thirty-one billion, four hundred million, four hundred two thousand, thirty-nine".