323211100431 has 16 divisors (see below), whose sum is σ = 453646476800. Its totient is φ = 204125738688.

The previous prime is 323211100391. The next prime is 323211100451. The reversal of 323211100431 is 134001112323.

It is not a de Polignac number, because 323211100431 - 2⁶ = 323211100367 is a prime.

It is a super-2 number, since 2×323211100431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323211100398 and 323211100407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323211100451) 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, 1714890 + ... + 1894008.

It is an arithmetic number, because the mean of its divisors is an integer number (28352904800).

Almost surely, 2^323211100431 is an apocalyptic number.

323211100431 is a deficient number, since it is larger than the sum of its proper divisors (130435376369).

323211100431 is a wasteful number, since it uses less digits than its factorization.

323211100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210798.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 323211100431 its reverse (134001112323), we get a palindrome (457212212754).

The spelling of 323211100431 in words is "three hundred twenty-three billion, two hundred eleven million, one hundred thousand, four hundred thirty-one".