201072931 has 2 divisors, whose sum is σ = 201072932. Its totient is φ = 201072930.

The previous prime is 201072917. The next prime is 201072941. The reversal of 201072931 is 139270102.

201072931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201072931 - 2⁵ = 201072899 is a prime.

It is a super-2 number, since 2×201072931² = 80860647161861522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201072896 and 201072905.

It is not a weakly prime, because it can be changed into another prime (201072941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100536465 + 100536466.

It is an arithmetic number, because the mean of its divisors is an integer number (100536466).

Almost surely, 2^201072931 is an apocalyptic number.

201072931 is a deficient number, since it is larger than the sum of its proper divisors (1).

201072931 is an equidigital number, since it uses as much as digits as its factorization.

201072931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 201072931 is about 14180.0187235419. The cubic root of 201072931 is about 585.8474395806.

The spelling of 201072931 in words is "two hundred one million, seventy-two thousand, nine hundred thirty-one".