213442703 has 2 divisors, whose sum is σ = 213442704. Its totient is φ = 213442702.

The previous prime is 213442699. The next prime is 213442709. The reversal of 213442703 is 307244312.

213442703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213442703 - 2² = 213442699 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213442709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106721351 + 106721352.

It is an arithmetic number, because the mean of its divisors is an integer number (106721352).

Almost surely, 2^213442703 is an apocalyptic number.

213442703 is a deficient number, since it is larger than the sum of its proper divisors (1).

213442703 is an equidigital number, since it uses as much as digits as its factorization.

213442703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 213442703 is about 14609.6784016624. The cubic root of 213442703 is about 597.6227257928.

The spelling of 213442703 in words is "two hundred thirteen million, four hundred forty-two thousand, seven hundred three".