326233535664031 has 4 divisors (see below), whose sum is σ = 326233640106000. Its totient is φ = 326233431222064.

The previous prime is 326233535664019. The next prime is 326233535664109. The reversal of 326233535664031 is 130466535332623.

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 326233535664031 - 2²¹ = 326233533566879 is a prime.

It is a super-2 number, since 2×326233535664031² (a number of 30 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 326233535664031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326233535644031) 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, 47386411 + ... + 53832508.

It is an arithmetic number, because the mean of its divisors is an integer number (81558410026500).

Almost surely, 2^{326233535664031} is an apocalyptic number.

326233535664031 is a deficient number, since it is larger than the sum of its proper divisors (104441969).

326233535664031 is a wasteful number, since it uses less digits than its factorization.

326233535664031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104441968.

The product of its (nonzero) digits is 20995200, while the sum is 52.

The spelling of 326233535664031 in words is "three hundred twenty-six trillion, two hundred thirty-three billion, five hundred thirty-five million, six hundred sixty-four thousand, thirty-one".