2201020312031 has 4 divisors (see below), whose sum is σ = 2276917564200. Its totient is φ = 2125123059864.

The previous prime is 2201020312027. The next prime is 2201020312091. The reversal of 2201020312031 is 1302130201022.

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 2201020312031 - 2² = 2201020312027 is a prime.

It is a super-2 number, since 2×2201020312031² (a number of 25 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 (2201020312021) 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, 37948626041 + ... + 37948626098.

It is an arithmetic number, because the mean of its divisors is an integer number (569229391050).

Almost surely, 2^{2201020312031} is an apocalyptic number.

2201020312031 is a deficient number, since it is larger than the sum of its proper divisors (75897252169).

2201020312031 is an equidigital number, since it uses as much as digits as its factorization.

2201020312031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75897252168.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2201020312031 its reverse (1302130201022), we get a palindrome (3503150513053).

The spelling of 2201020312031 in words is "two trillion, two hundred one billion, twenty million, three hundred twelve thousand, thirty-one".