213441000442 has 16 divisors (see below), whose sum is σ = 331239400200. Its totient is φ = 103028708160.

The previous prime is 213441000427. The next prime is 213441000457. The reversal of 213441000442 is 244000144312.

It is an interprime number because it is at equal distance from previous prime (213441000427) and next prime (213441000457).

It can be written as a sum of positive squares in 4 ways, for example, as 131782794361 + 81658206081 = 363019^2 + 285759^2 .

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, 312784 + ... + 724372.

Almost surely, 2^213441000442 is an apocalyptic number.

213441000442 is a deficient number, since it is larger than the sum of its proper divisors (117798399758).

213441000442 is a wasteful number, since it uses less digits than its factorization.

213441000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420561.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213441000442 its reverse (244000144312), we get a palindrome (457441144754).

The spelling of 213441000442 in words is "two hundred thirteen billion, four hundred forty-one million, four hundred forty-two", and thus it is an aban number.