201101002031 has 16 divisors (see below), whose sum is σ = 207283598688. Its totient is φ = 195022080000.

The previous prime is 201101002013. The next prime is 201101002033. The reversal of 201101002031 is 130200101102.

It is a cyclic number.

It is not a de Polignac number, because 201101002031 - 2²² = 201096807727 is a prime.

It is a super-2 number, since 2×201101002031² (a number of 23 digits) 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 (201101002033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608031 + ... + 2684031.

It is an arithmetic number, because the mean of its divisors is an integer number (12955224918).

Almost surely, 2^201101002031 is an apocalyptic number.

201101002031 is a deficient number, since it is larger than the sum of its proper divisors (6182596657).

201101002031 is an equidigital number, since it uses as much as digits as its factorization.

201101002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76682.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201101002031 its reverse (130200101102), we get a palindrome (331301103133).

The spelling of 201101002031 in words is "two hundred one billion, one hundred one million, two thousand, thirty-one".