323215245431 has 4 divisors (see below), whose sum is σ = 348077956632. Its totient is φ = 298352534232.

The previous prime is 323215245427. The next prime is 323215245473. The reversal of 323215245431 is 134542512323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 323215245431 - 2² = 323215245427 is a prime.

It is a super-2 number, since 2×323215245431² (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 = 323215245391 and 323215245400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323215245131) 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, 12431355581 + ... + 12431355606.

It is an arithmetic number, because the mean of its divisors is an integer number (87019489158).

Almost surely, 2^323215245431 is an apocalyptic number.

323215245431 is a deficient number, since it is larger than the sum of its proper divisors (24862711201).

323215245431 is a wasteful number, since it uses less digits than its factorization.

323215245431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24862711200.

The product of its digits is 86400, while the sum is 35.

Adding to 323215245431 its reverse (134542512323), we get a palindrome (457757757754).

The spelling of 323215245431 in words is "three hundred twenty-three billion, two hundred fifteen million, two hundred forty-five thousand, four hundred thirty-one".