213372331 has 2 divisors, whose sum is σ = 213372332. Its totient is φ = 213372330.

The previous prime is 213372301. The next prime is 213372347. The reversal of 213372331 is 133273312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213372331 - 2⁹ = 213371819 is a prime.

It is a super-2 number, since 2×213372331² = 91055503272747122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213372296 and 213372305.

It is not a weakly prime, because it can be changed into another prime (213372301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106686165 + 106686166.

It is an arithmetic number, because the mean of its divisors is an integer number (106686166).

Almost surely, 2^213372331 is an apocalyptic number.

213372331 is a deficient number, since it is larger than the sum of its proper divisors (1).

213372331 is an equidigital number, since it uses as much as digits as its factorization.

213372331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 25.

The square root of 213372331 is about 14607.2697996580. The cubic root of 213372331 is about 597.5570398911.

The spelling of 213372331 in words is "two hundred thirteen million, three hundred seventy-two thousand, three hundred thirty-one".