213310331002 has 4 divisors (see below), whose sum is σ = 319965496506. Its totient is φ = 106655165500.

The previous prime is 213310330979. The next prime is 213310331009. The reversal of 213310331002 is 200133013312.

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., 189520044921 + 23790286081 = 435339^2 + 154241^2 .

It is not an unprimeable number, because it can be changed into a prime (213310331009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53327582749 + ... + 53327582752.

Almost surely, 2^213310331002 is an apocalyptic number.

213310331002 is a deficient number, since it is larger than the sum of its proper divisors (106655165504).

213310331002 is a wasteful number, since it uses less digits than its factorization.

213310331002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106655165503.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213310331002 its reverse (200133013312), we get a palindrome (413443344314).

The spelling of 213310331002 in words is "two hundred thirteen billion, three hundred ten million, three hundred thirty-one thousand, two".