3101122321031 has 4 divisors (see below), whose sum is σ = 3544139795472. Its totient is φ = 2658104846592.

The previous prime is 3101122321027. The next prime is 3101122321069. The reversal of 3101122321031 is 1301232211013.

It is a happy number.

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 3101122321031 - 2² = 3101122321027 is a prime.

It is a super-2 number, since 2×3101122321031² (a number of 26 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 = 3101122320994 and 3101122321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101122321091) 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, 221508737210 + ... + 221508737223.

It is an arithmetic number, because the mean of its divisors is an integer number (886034948868).

Almost surely, 2^{3101122321031} is an apocalyptic number.

3101122321031 is a deficient number, since it is larger than the sum of its proper divisors (443017474441).

3101122321031 is an equidigital number, since it uses as much as digits as its factorization.

3101122321031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443017474440.

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

Adding to 3101122321031 its reverse (1301232211013), we get a palindrome (4402354532044).

The spelling of 3101122321031 in words is "three trillion, one hundred one billion, one hundred twenty-two million, three hundred twenty-one thousand, thirty-one".