201301031 has 4 divisors (see below), whose sum is σ = 204305592. Its totient is φ = 198296472.

The previous prime is 201301027. The next prime is 201301057. The reversal of 201301031 is 130103102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201301031 - 2² = 201301027 is a prime.

It is a super-2 number, since 2×201301031² = 81044210163325922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201301081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502180 + ... + 1502313.

It is an arithmetic number, because the mean of its divisors is an integer number (51076398).

Almost surely, 2^201301031 is an apocalyptic number.

201301031 is a deficient number, since it is larger than the sum of its proper divisors (3004561).

201301031 is an equidigital number, since it uses as much as digits as its factorization.

201301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004560.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 201301031 is about 14188.0594515247. The cubic root of 201301031 is about 586.0688870936.

Adding to 201301031 its reverse (130103102), we get a palindrome (331404133).

The spelling of 201301031 in words is "two hundred one million, three hundred one thousand, thirty-one".