213113213002 has 4 divisors (see below), whose sum is σ = 319669819506. Its totient is φ = 106556606500.

The previous prime is 213113212973. The next prime is 213113213003. The reversal of 213113213002 is 200312311312.

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., 210744346761 + 2368866241 = 459069^2 + 48671^2 .

It is not an unprimeable number, because it can be changed into a prime (213113213003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53278303249 + ... + 53278303252.

Almost surely, 2^213113213002 is an apocalyptic number.

213113213002 is a deficient number, since it is larger than the sum of its proper divisors (106556606504).

213113213002 is a wasteful number, since it uses less digits than its factorization.

213113213002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106556606503.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213113213002 its reverse (200312311312), we get a palindrome (413425524314).

The spelling of 213113213002 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred thirteen thousand, two".