326066131 has 4 divisors (see below), whose sum is σ = 326116264. Its totient is φ = 326016000.

The previous prime is 326066113. The next prime is 326066141. The reversal of 326066131 is 131660623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131660623 = 1013 ⋅129971.

It is a cyclic number.

It is not a de Polignac number, because 326066131 - 2⁵ = 326066099 is a prime.

It is a super-2 number, since 2×326066131² = 212638243570618322, which 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 326066131.

It is not an unprimeable number, because it can be changed into a prime (326066141) 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, 13545 + ... + 28906.

It is an arithmetic number, because the mean of its divisors is an integer number (81529066).

Almost surely, 2^326066131 is an apocalyptic number.

326066131 is a deficient number, since it is larger than the sum of its proper divisors (50133).

326066131 is an equidigital number, since it uses as much as digits as its factorization.

326066131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50132.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 326066131 is about 18057.3013210723. The cubic root of 326066131 is about 688.2854096570.

The spelling of 326066131 in words is "three hundred twenty-six million, sixty-six thousand, one hundred thirty-one".