3131011122101 has 4 divisors (see below), whose sum is σ = 3131448482400. Its totient is φ = 3130573761804.

The previous prime is 3131011122091. The next prime is 3131011122209. The reversal of 3131011122101 is 1012211101313.

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 not a de Polignac number, because 3131011122101 - 2¹⁸ = 3131010859957 is a prime.

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 3131011122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131011122401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218669411 + ... + 218683728.

It is an arithmetic number, because the mean of its divisors is an integer number (782862120600).

Almost surely, 2^{3131011122101} is an apocalyptic number.

It is an amenable number.

3131011122101 is a deficient number, since it is larger than the sum of its proper divisors (437360299).

3131011122101 is an equidigital number, since it uses as much as digits as its factorization.

3131011122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437360298.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 3131011122101 its reverse (1012211101313), we get a palindrome (4143222223414).

The spelling of 3131011122101 in words is "three trillion, one hundred thirty-one billion, eleven million, one hundred twenty-two thousand, one hundred one".