213103151 has 2 divisors, whose sum is σ = 213103152. Its totient is φ = 213103150.

The previous prime is 213103139. The next prime is 213103157. The reversal of 213103151 is 151301312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213103151 - 2⁶ = 213103087 is a prime.

It is a super-2 number, since 2×213103151² = 90825905932257602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213103157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551575 + 106551576.

It is an arithmetic number, because the mean of its divisors is an integer number (106551576).

Almost surely, 2^213103151 is an apocalyptic number.

213103151 is a deficient number, since it is larger than the sum of its proper divisors (1).

213103151 is an equidigital number, since it uses as much as digits as its factorization.

213103151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 213103151 is about 14598.0529866143. The cubic root of 213103151 is about 597.3056513269.

Adding to 213103151 its reverse (151301312), we get a palindrome (364404463).

The spelling of 213103151 in words is "two hundred thirteen million, one hundred three thousand, one hundred fifty-one".