201031122130031 has 8 divisors (see below), whose sum is σ = 206363473031760. Its totient is φ = 195728644343232.

The previous prime is 201031122130009. The next prime is 201031122130039. The reversal of 201031122130031 is 130031221130102.

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 201031122130031 - 2⁶ = 201031122129967 is a prime.

It is a super-2 number, since 2×201031122130031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201031122129985 and 201031122130012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201031122130039) 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, 7468265096 + ... + 7468292013.

It is an arithmetic number, because the mean of its divisors is an integer number (25795434128970).

Almost surely, 2^{201031122130031} is an apocalyptic number.

201031122130031 is a deficient number, since it is larger than the sum of its proper divisors (5332350901729).

201031122130031 is a wasteful number, since it uses less digits than its factorization.

201031122130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14936557465.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201031122130031 its reverse (130031221130102), we get a palindrome (331062343260133).

The spelling of 201031122130031 in words is "two hundred one trillion, thirty-one billion, one hundred twenty-two million, one hundred thirty thousand, thirty-one".