213200303497 has 2 divisors, whose sum is σ = 213200303498. Its totient is φ = 213200303496.

The previous prime is 213200303369. The next prime is 213200303521. The reversal of 213200303497 is 794303002312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146646107136 + 66554196361 = 382944^2 + 257981^2 .

It is a cyclic number.

It is not a de Polignac number, because 213200303497 - 2⁷ = 213200303369 is a prime.

It is a super-2 number, since 2×213200303497² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213200333497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106600151748 + 106600151749.

It is an arithmetic number, because the mean of its divisors is an integer number (106600151749).

Almost surely, 2^213200303497 is an apocalyptic number.

It is an amenable number.

213200303497 is a deficient number, since it is larger than the sum of its proper divisors (1).

213200303497 is an equidigital number, since it uses as much as digits as its factorization.

213200303497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 213200303497 in words is "two hundred thirteen billion, two hundred million, three hundred three thousand, four hundred ninety-seven".