213203203442 has 8 divisors (see below), whose sum is σ = 322909706496. Its totient is φ = 105566634612.

The previous prime is 213203203399. The next prime is 213203203489. The reversal of 213203203442 is 244302302312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517483298 + ... + 517483709.

It is an arithmetic number, because the mean of its divisors is an integer number (40363713312).

Almost surely, 2^213203203442 is an apocalyptic number.

213203203442 is a deficient number, since it is larger than the sum of its proper divisors (109706503054).

213203203442 is a wasteful number, since it uses less digits than its factorization.

213203203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034967112.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 213203203442 its reverse (244302302312), we get a palindrome (457505505754).

The spelling of 213203203442 in words is "two hundred thirteen billion, two hundred three million, two hundred three thousand, four hundred forty-two".