100031321303 has 16 divisors (see below), whose sum is σ = 105041664000. Its totient is φ = 95130907872.

The previous prime is 100031321297. The next prime is 100031321317. The reversal of 100031321303 is 303123130001.

It is a cyclic number.

It is not a de Polignac number, because 100031321303 - 2¹² = 100031317207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031321503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907826 + ... + 1012032.

It is an arithmetic number, because the mean of its divisors is an integer number (6565104000).

Almost surely, 2^100031321303 is an apocalyptic number.

100031321303 is a deficient number, since it is larger than the sum of its proper divisors (5010342697).

100031321303 is a wasteful number, since it uses less digits than its factorization.

100031321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104734.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 100031321303 its reverse (303123130001), we get a palindrome (403154451304).

The spelling of 100031321303 in words is "one hundred billion, thirty-one million, three hundred twenty-one thousand, three hundred three".