213367331 has 2 divisors, whose sum is σ = 213367332. Its totient is φ = 213367330.

The previous prime is 213367313. The next prime is 213367337. The reversal of 213367331 is 133763312.

Together with previous prime (213367313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213367331 - 2¹⁴ = 213350947 is a prime.

It is a super-2 number, since 2×213367331² = 91051235876127122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213367294 and 213367303.

It is not a weakly prime, because it can be changed into another prime (213367337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106683665 + 106683666.

It is an arithmetic number, because the mean of its divisors is an integer number (106683666).

Almost surely, 2^213367331 is an apocalyptic number.

213367331 is a deficient number, since it is larger than the sum of its proper divisors (1).

213367331 is an equidigital number, since it uses as much as digits as its factorization.

213367331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 29.

The square root of 213367331 is about 14607.0986509984. The cubic root of 213367331 is about 597.5523722935.

The spelling of 213367331 in words is "two hundred thirteen million, three hundred sixty-seven thousand, three hundred thirty-one".