321010130100 has 72 divisors (see below), whose sum is σ = 1013224711968. Its totient is φ = 77820636800.

The previous prime is 321010130087. The next prime is 321010130249. The reversal of 321010130100 is 1031010123.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48634599 + ... + 48641198.

It is an arithmetic number, because the mean of its divisors is an integer number (14072565444).

Almost surely, 2^321010130100 is an apocalyptic number.

321010130100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321010130100 is an abundant number, since it is smaller than the sum of its proper divisors (692214581868).

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

321010130100 is a wasteful number, since it uses less digits than its factorization.

321010130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97275825 (or 97275818 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 321010130100 its reverse (1031010123), we get a palindrome (322041140223).

The spelling of 321010130100 in words is "three hundred twenty-one billion, ten million, one hundred thirty thousand, one hundred".