326021131 has 2 divisors, whose sum is σ = 326021132. Its totient is φ = 326021130.

The previous prime is 326021123. The next prime is 326021167. The reversal of 326021131 is 131120623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 326021131 - 2³ = 326021123 is a prime.

It is a super-2 number, since 2×326021131² = 212579555717038322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326021099 and 326021108.

It is not a weakly prime, because it can be changed into another prime (326025131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163010565 + 163010566.

It is an arithmetic number, because the mean of its divisors is an integer number (163010566).

Almost surely, 2^326021131 is an apocalyptic number.

326021131 is a deficient number, since it is larger than the sum of its proper divisors (1).

326021131 is an equidigital number, since it uses as much as digits as its factorization.

326021131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 326021131 is about 18056.0552447095. The cubic root of 326021131 is about 688.2537450493.

Adding to 326021131 its reverse (131120623), we get a palindrome (457141754).

It can be divided in two parts, 32602 and 1131, that added together give a palindrome (33733).

The spelling of 326021131 in words is "three hundred twenty-six million, twenty-one thousand, one hundred thirty-one".