100320401343 has 16 divisors (see below), whose sum is σ = 141635265120. Its totient is φ = 62943261696.

The previous prime is 100320401339. The next prime is 100320401351. The reversal of 100320401343 is 343104023001.

It is not a de Polignac number, because 100320401343 - 2² = 100320401339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100320401303) 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, 1911963 + ... + 1963731.

It is an arithmetic number, because the mean of its divisors is an integer number (8852204070).

Almost surely, 2^100320401343 is an apocalyptic number.

100320401343 is a deficient number, since it is larger than the sum of its proper divisors (41314863777).

100320401343 is a wasteful number, since it uses less digits than its factorization.

100320401343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89786.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 100320401343 its reverse (343104023001), we get a palindrome (443424424344).

The spelling of 100320401343 in words is "one hundred billion, three hundred twenty million, four hundred one thousand, three hundred forty-three".