213390703 has 2 divisors, whose sum is σ = 213390704. Its totient is φ = 213390702.

The previous prime is 213390649. The next prime is 213390721. The reversal of 213390703 is 307093312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213390703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213390503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106695351 + 106695352.

It is an arithmetic number, because the mean of its divisors is an integer number (106695352).

Almost surely, 2^213390703 is an apocalyptic number.

213390703 is a deficient number, since it is larger than the sum of its proper divisors (1).

213390703 is an equidigital number, since it uses as much as digits as its factorization.

213390703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 213390703 is about 14607.8986510723. The cubic root of 213390703 is about 597.5741898855.

The spelling of 213390703 in words is "two hundred thirteen million, three hundred ninety thousand, seven hundred three".