323243121440031 has 16 divisors (see below), whose sum is σ = 464360757769440. Its totient is φ = 198825934596480.

The previous prime is 323243121440021. The next prime is 323243121440039. The reversal of 323243121440031 is 130044121342323.

It is not a de Polignac number, because 323243121440031 - 2²³ = 323243113051423 is a prime.

It is a super-2 number, since 2×323243121440031² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323243121439974 and 323243121440001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323243121440039) 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, 1935527236 + ... + 1935694233.

It is an arithmetic number, because the mean of its divisors is an integer number (29022547360590).

Almost surely, 2^{323243121440031} is an apocalyptic number.

323243121440031 is a deficient number, since it is larger than the sum of its proper divisors (141117636329409).

323243121440031 is a wasteful number, since it uses less digits than its factorization.

323243121440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3871223626.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 323243121440031 its reverse (130044121342323), we get a palindrome (453287242782354).

The spelling of 323243121440031 in words is "three hundred twenty-three trillion, two hundred forty-three billion, one hundred twenty-one million, four hundred forty thousand, thirty-one".