100321311031012 has 12 divisors (see below), whose sum is σ = 176013611258940. Its totient is φ = 50031707814176.

The previous prime is 100321311030991. The next prime is 100321311031049. The reversal of 100321311031012 is 210130113123001.

It can be written as a sum of positive squares in 2 ways, for example, as 44106945385636 + 56214365645376 = 6641306^2 + 7497624^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32236923583 + ... + 32236926694.

It is an arithmetic number, because the mean of its divisors is an integer number (14667800938245).

Almost surely, 2^{100321311031012} is an apocalyptic number.

It is an amenable number.

100321311031012 is a deficient number, since it is larger than the sum of its proper divisors (75692300227928).

100321311031012 is a wasteful number, since it uses less digits than its factorization.

100321311031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64473850670 (or 64473850668 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 100321311031012 its reverse (210130113123001), we get a palindrome (310451424154013).

The spelling of 100321311031012 in words is "one hundred trillion, three hundred twenty-one billion, three hundred eleven million, thirty-one thousand, twelve".