213202312442 has 32 divisors (see below), whose sum is σ = 368443769472. Its totient is φ = 90636632064.

The previous prime is 213202312429. The next prime is 213202312469. The reversal of 213202312442 is 244213202312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823898 + ... + 1051290.

It is an arithmetic number, because the mean of its divisors is an integer number (11513867796).

Almost surely, 2^213202312442 is an apocalyptic number.

213202312442 is a deficient number, since it is larger than the sum of its proper divisors (155241457030).

213202312442 is a wasteful number, since it uses less digits than its factorization.

213202312442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227942.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 213202312442 its reverse (244213202312), we get a palindrome (457415514754).

The spelling of 213202312442 in words is "two hundred thirteen billion, two hundred two million, three hundred twelve thousand, four hundred forty-two".