321311013102 has 12 divisors (see below), whose sum is σ = 696173861760. Its totient is φ = 107103671028.

The previous prime is 321311013061. The next prime is 321311013131. The reversal of 321311013102 is 201310113123.

321311013102 is a `hidden beast` number, since 321 + 31 + 1 + 0 + 1 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 17850611839 = 321311013102 / (3 + 2 + 1 + 3 + 1 + 1 + 0 + 1 + 3 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8925305902 + ... + 8925305937.

It is an arithmetic number, because the mean of its divisors is an integer number (58014488480).

Almost surely, 2^321311013102 is an apocalyptic number.

321311013102 is an abundant number, since it is smaller than the sum of its proper divisors (374862848658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321311013102 is a wasteful number, since it uses less digits than its factorization.

321311013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17850611847 (or 17850611844 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 321311013102 its reverse (201310113123), we get a palindrome (522621126225).

The spelling of 321311013102 in words is "three hundred twenty-one billion, three hundred eleven million, thirteen thousand, one hundred two".