3101331012 has 192 divisors, whose sum is σ = 8836934400. Its totient is φ = 836075520.

The previous prime is 3101330959. The next prime is 3101331019. The reversal of 3101331012 is 2101331013.

It is a junction number, because it is equal to n+sod(n) for n = 3101330982 and 3101331000.

It is not an unprimeable number, because it can be changed into a prime (3101331019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3073164 + ... + 3074172.

It is an arithmetic number, because the mean of its divisors is an integer number (46025700).

Almost surely, 2^3101331012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3101331012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4418467200).

3101331012 is an abundant number, since it is smaller than the sum of its proper divisors (5735603388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101331012 is a wasteful number, since it uses less digits than its factorization.

3101331012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 3101331012 is about 55689.5951861746. The cubic root of 3101331012 is about 1458.3083885743.

Adding to 3101331012 its reverse (2101331013), we get a palindrome (5202662025).

Subtracting from 3101331012 its reverse (2101331013), we obtain a palindrome (999999999).

The spelling of 3101331012 in words is "three billion, one hundred one million, three hundred thirty-one thousand, twelve".