321310213102 has 4 divisors (see below), whose sum is σ = 481965319656. Its totient is φ = 160655106550.

The previous prime is 321310213099. The next prime is 321310213127. The reversal of 321310213102 is 201312013123.

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

It is a self number, because there is not a number n which added to its sum of digits gives 321310213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80327553274 + ... + 80327553277.

It is an arithmetic number, because the mean of its divisors is an integer number (120491329914).

Almost surely, 2^321310213102 is an apocalyptic number.

321310213102 is a deficient number, since it is larger than the sum of its proper divisors (160655106554).

321310213102 is a wasteful number, since it uses less digits than its factorization.

321310213102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160655106553.

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

Adding to 321310213102 its reverse (201312013123), we get a palindrome (522622226225).

The spelling of 321310213102 in words is "three hundred twenty-one billion, three hundred ten million, two hundred thirteen thousand, one hundred two".