213310120442 has 4 divisors (see below), whose sum is σ = 319965180666. Its totient is φ = 106655060220.

The previous prime is 213310120427. The next prime is 213310120451. The reversal of 213310120442 is 244021013312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213304498801 + 5621641 = 461849^2 + 2371^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53327530109 + ... + 53327530112.

Almost surely, 2^213310120442 is an apocalyptic number.

213310120442 is a deficient number, since it is larger than the sum of its proper divisors (106655060224).

213310120442 is a wasteful number, since it uses less digits than its factorization.

213310120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106655060223.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 213310120442 its reverse (244021013312), we get a palindrome (457331133754).

The spelling of 213310120442 in words is "two hundred thirteen billion, three hundred ten million, one hundred twenty thousand, four hundred forty-two".