3100000000000 has 288 divisors, whose sum is σ = 7998046842240. Its totient is φ = 1200000000000.

The previous prime is 3099999999937. The next prime is 3100000000033. The reversal of 3100000000000 is 13.

It is a happy number.

It is a super-2 number, since 2×3100000000000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 3099999999899 and 3099999999908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99999999985 + ... + 100000000015.

It is an arithmetic number, because the mean of its divisors is an integer number (27770995980).

Almost surely, 2^{3100000000000} 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 3100000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3999023421120).

3100000000000 is an abundant number, since it is smaller than the sum of its proper divisors (4898046842240).

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

3100000000000 is an frugal number, since it uses more digits than its factorization.

3100000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 4.

Adding to 3100000000000 its reverse (13), we get a palindrome (3100000000013).

The spelling of 3100000000000 in words is "three trillion, one hundred billion", and thus it is an aban number.