213230951 has 2 divisors, whose sum is σ = 213230952. Its totient is φ = 213230950.

The previous prime is 213230921. The next prime is 213230957. The reversal of 213230951 is 159032312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213230951 - 2²⁶ = 146122087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213230951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213230957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106615475 + 106615476.

It is an arithmetic number, because the mean of its divisors is an integer number (106615476).

Almost surely, 2^213230951 is an apocalyptic number.

213230951 is a deficient number, since it is larger than the sum of its proper divisors (1).

213230951 is an equidigital number, since it uses as much as digits as its factorization.

213230951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 213230951 is about 14602.4296266067. The cubic root of 213230951 is about 597.4250307718.

The spelling of 213230951 in words is "two hundred thirteen million, two hundred thirty thousand, nine hundred fifty-one".