10321100431 has 4 divisors (see below), whose sum is σ = 10769843952. Its totient is φ = 9872356912.

The previous prime is 10321100423. The next prime is 10321100473. The reversal of 10321100431 is 13400112301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10321100431 - 2³ = 10321100423 is a prime.

It is a super-2 number, since 2×10321100431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321100411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224371726 + ... + 224371771.

It is an arithmetic number, because the mean of its divisors is an integer number (2692460988).

Almost surely, 2^10321100431 is an apocalyptic number.

10321100431 is a deficient number, since it is larger than the sum of its proper divisors (448743521).

10321100431 is an equidigital number, since it uses as much as digits as its factorization.

10321100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448743520.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10321100431 its reverse (13400112301), we get a palindrome (23721212732).

The spelling of 10321100431 in words is "ten billion, three hundred twenty-one million, one hundred thousand, four hundred thirty-one".