323402201431 has 4 divisors (see below), whose sum is σ = 323403623712. Its totient is φ = 323400779152.

The previous prime is 323402201407. The next prime is 323402201471. The reversal of 323402201431 is 134102204323.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134102204323 = 113 ⋅1186745171.

It is a cyclic number.

It is not a de Polignac number, because 323402201431 - 2¹⁹ = 323401677143 is a prime.

It is a super-2 number, since 2×323402201431² (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 = 323402201396 and 323402201405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323402201471) 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, 284911 + ... + 853216.

It is an arithmetic number, because the mean of its divisors is an integer number (80850905928).

Almost surely, 2^323402201431 is an apocalyptic number.

323402201431 is a deficient number, since it is larger than the sum of its proper divisors (1422281).

323402201431 is a wasteful number, since it uses less digits than its factorization.

323402201431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422280.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 323402201431 its reverse (134102204323), we get a palindrome (457504405754).

The spelling of 323402201431 in words is "three hundred twenty-three billion, four hundred two million, two hundred one thousand, four hundred thirty-one".