326254306431 has 4 divisors (see below), whose sum is σ = 435005741912. Its totient is φ = 217502870952.

The previous prime is 326254306423. The next prime is 326254306463. The reversal of 326254306431 is 134603452623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134603452623 = 3 ⋅44867817541.

It is not a de Polignac number, because 326254306431 - 2³ = 326254306423 is a prime.

It is a super-2 number, since 2×326254306431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 326254306431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326254308431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54375717736 + ... + 54375717741.

It is an arithmetic number, because the mean of its divisors is an integer number (108751435478).

Almost surely, 2^326254306431 is an apocalyptic number.

326254306431 is a deficient number, since it is larger than the sum of its proper divisors (108751435481).

326254306431 is a wasteful number, since it uses less digits than its factorization.

326254306431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108751435480.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 326254306431 in words is "three hundred twenty-six billion, two hundred fifty-four million, three hundred six thousand, four hundred thirty-one".