320123340031 has 16 divisors (see below), whose sum is σ = 358987906080. Its totient is φ = 282900055680.

The previous prime is 320123340023. The next prime is 320123340091. The reversal of 320123340031 is 130043321023.

It is not a de Polignac number, because 320123340031 - 2³ = 320123340023 is a prime.

It is a super-2 number, since 2×320123340031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320123339984 and 320123340011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320123340011) 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, 96745 + ... + 805981.

It is an arithmetic number, because the mean of its divisors is an integer number (22436744130).

Almost surely, 2^320123340031 is an apocalyptic number.

320123340031 is a deficient number, since it is larger than the sum of its proper divisors (38864566049).

320123340031 is a wasteful number, since it uses less digits than its factorization.

320123340031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710394.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320123340031 its reverse (130043321023), we get a palindrome (450166661054).

The spelling of 320123340031 in words is "three hundred twenty billion, one hundred twenty-three million, three hundred forty thousand, thirty-one".