201351331 has 2 divisors, whose sum is σ = 201351332. Its totient is φ = 201351330.

The previous prime is 201351289. The next prime is 201351347. The reversal of 201351331 is 133153102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201351331 - 2⁷ = 201351203 is a prime.

It is a super-2 number, since 2×201351331² = 81084716990943122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201351299 and 201351308.

It is not a weakly prime, because it can be changed into another prime (201321331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100675665 + 100675666.

It is an arithmetic number, because the mean of its divisors is an integer number (100675666).

Almost surely, 2^201351331 is an apocalyptic number.

201351331 is a deficient number, since it is larger than the sum of its proper divisors (1).

201351331 is an equidigital number, since it uses as much as digits as its factorization.

201351331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 201351331 is about 14189.8319581311. The cubic root of 201351331 is about 586.1176975904.

The spelling of 201351331 in words is "two hundred one million, three hundred fifty-one thousand, three hundred thirty-one".