201072331 has 2 divisors, whose sum is σ = 201072332. Its totient is φ = 201072330.

The previous prime is 201072299. The next prime is 201072353. The reversal of 201072331 is 133270102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201072331 - 2⁵ = 201072299 is a prime.

It is a super-2 number, since 2×201072331² = 80860164587547122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201072299 and 201072308.

It is not a weakly prime, because it can be changed into another prime (201072931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100536165 + 100536166.

It is an arithmetic number, because the mean of its divisors is an integer number (100536166).

Almost surely, 2^201072331 is an apocalyptic number.

201072331 is a deficient number, since it is larger than the sum of its proper divisors (1).

201072331 is an equidigital number, since it uses as much as digits as its factorization.

201072331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 201072331 is about 14179.9975669956. The cubic root of 201072331 is about 585.8468568587.

The spelling of 201072331 in words is "two hundred one million, seventy-two thousand, three hundred thirty-one".