320100052431 has 8 divisors (see below), whose sum is σ = 426811955760. Its totient is φ = 213394092032.

The previous prime is 320100052417. The next prime is 320100052499. The reversal of 320100052431 is 134250001023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320100052431 - 2⁶ = 320100052367 is a prime.

It is a super-2 number, since 2×320100052431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320100052398 and 320100052407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320100052631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358496 + ... + 1576613.

It is an arithmetic number, because the mean of its divisors is an integer number (53351494470).

Almost surely, 2^320100052431 is an apocalyptic number.

320100052431 is a deficient number, since it is larger than the sum of its proper divisors (106711903329).

320100052431 is a wasteful number, since it uses less digits than its factorization.

320100052431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971465.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 320100052431 its reverse (134250001023), we get a palindrome (454350053454).

The spelling of 320100052431 in words is "three hundred twenty billion, one hundred million, fifty-two thousand, four hundred thirty-one".