2631201101 has 4 divisors (see below), whose sum is σ = 2634446304. Its totient is φ = 2627955900.

The previous prime is 2631201071. The next prime is 2631201143. The reversal of 2631201101 is 1011021362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2631201101 is a prime.

It is a super-2 number, since 2×2631201101² = 13846438467807224402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2631201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631201161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621385 + ... + 1623006.

It is an arithmetic number, because the mean of its divisors is an integer number (658611576).

Almost surely, 2^2631201101 is an apocalyptic number.

It is an amenable number.

2631201101 is a deficient number, since it is larger than the sum of its proper divisors (3245203).

2631201101 is an equidigital number, since it uses as much as digits as its factorization.

2631201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245202.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2631201101 is about 51295.2346812060. The cubic root of 2631201101 is about 1380.5474795102.

Adding to 2631201101 its reverse (1011021362), we get a palindrome (3642222463).

The spelling of 2631201101 in words is "two billion, six hundred thirty-one million, two hundred one thousand, one hundred one".