201040031 has 8 divisors (see below), whose sum is σ = 202513344. Its totient is φ = 199572480.

The previous prime is 201040019. The next prime is 201040039. The reversal of 201040031 is 130040102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201040031 - 2⁶ = 201039967 is a prime.

It is a super-2 number, since 2×201040031² = 80834188128961922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201039994 and 201040021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201040039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87311 + ... + 89583.

It is an arithmetic number, because the mean of its divisors is an integer number (25314168).

Almost surely, 2^201040031 is an apocalyptic number.

201040031 is a deficient number, since it is larger than the sum of its proper divisors (1473313).

201040031 is a wasteful number, since it uses less digits than its factorization.

201040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201040031 is about 14178.8585929898. The cubic root of 201040031 is about 585.8154852842.

Adding to 201040031 its reverse (130040102), we get a palindrome (331080133).

The spelling of 201040031 in words is "two hundred one million, forty thousand, thirty-one".