213311996 has 12 divisors (see below), whose sum is σ = 377490960. Its totient is φ = 105457440.

The previous prime is 213311981. The next prime is 213311999. The reversal of 213311996 is 699113312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213311999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299240 + ... + 299951.

It is an arithmetic number, because the mean of its divisors is an integer number (31457580).

Almost surely, 2^213311996 is an apocalyptic number.

It is an amenable number.

213311996 is a deficient number, since it is larger than the sum of its proper divisors (164178964).

213311996 is a wasteful number, since it uses less digits than its factorization.

213311996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599284 (or 599282 counting only the distinct ones).

The product of its digits is 8748, while the sum is 35.

The square root of 213311996 is about 14605.2044148653. The cubic root of 213311996 is about 597.5007111212.

The spelling of 213311996 in words is "two hundred thirteen million, three hundred eleven thousand, nine hundred ninety-six".