213388223530 has 16 divisors (see below), whose sum is σ = 386109794304. Its totient is φ = 84908402320.

The previous prime is 213388223513. The next prime is 213388223557. The reversal of 213388223530 is 35322883312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55858882 + ... + 55862701.

It is an arithmetic number, because the mean of its divisors is an integer number (24131862144).

Almost surely, 2^213388223530 is an apocalyptic number.

213388223530 is a deficient number, since it is larger than the sum of its proper divisors (172721570774).

213388223530 is a wasteful number, since it uses less digits than its factorization.

213388223530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111721781.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 213388223530 in words is "two hundred thirteen billion, three hundred eighty-eight million, two hundred twenty-three thousand, five hundred thirty".