3101323121012 has 12 divisors (see below), whose sum is σ = 5427327827460. Its totient is φ = 1550658027456.

The previous prime is 3101323121011. The next prime is 3101323121027. The reversal of 3101323121012 is 2101213231013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1644000938596 + 1457322182416 = 1282186^2 + 1207196^2 .

It is a super-2 number, since 2×3101323121012² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101323121011) 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, 2778914 + ... + 3731622.

It is an arithmetic number, because the mean of its divisors is an integer number (452277318955).

Almost surely, 2^{3101323121012} is an apocalyptic number.

It is an amenable number.

3101323121012 is a deficient number, since it is larger than the sum of its proper divisors (2326004706448).

3101323121012 is a wasteful number, since it uses less digits than its factorization.

3101323121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766530 (or 1766528 counting only the distinct ones).

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

Adding to 3101323121012 its reverse (2101213231013), we get a palindrome (5202536352025).

The spelling of 3101323121012 in words is "three trillion, one hundred one billion, three hundred twenty-three million, one hundred twenty-one thousand, twelve".