213003421442 has 32 divisors (see below), whose sum is σ = 386741392128. Its totient is φ = 85892161536.

The previous prime is 213003421409. The next prime is 213003421447. The reversal of 213003421442 is 244124300312.

It is not an unprimeable number, because it can be changed into a prime (213003421447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693323 + ... + 952209.

It is an arithmetic number, because the mean of its divisors is an integer number (12085668504).

Almost surely, 2^213003421442 is an apocalyptic number.

213003421442 is a deficient number, since it is larger than the sum of its proper divisors (173737970686).

213003421442 is a wasteful number, since it uses less digits than its factorization.

213003421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262370.

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

Adding to 213003421442 its reverse (244124300312), we get a palindrome (457127721754).

The spelling of 213003421442 in words is "two hundred thirteen billion, three million, four hundred twenty-one thousand, four hundred forty-two".