3031000000000 has 400 divisors, whose sum is σ = 8671522549536. Its totient is φ = 1036800000000.

The previous prime is 3030999999977. The next prime is 3031000000009. The reversal of 3031000000000 is 1303.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×3031000000000² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a self number, because there is not a number n which added to its sum of digits gives 3031000000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031000000009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6999999784 + ... + 7000000216.

Almost surely, 2^{3031000000000} 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 3031000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4335761274768).

3031000000000 is an abundant number, since it is smaller than the sum of its proper divisors (5640522549536).

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

3031000000000 is an frugal number, since it uses more digits than its factorization.

3031000000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 7.

Adding to 3031000000000 its reverse (1303), we get a palindrome (3031000001303).

The spelling of 3031000000000 in words is "three trillion, thirty-one billion", and thus it is an aban number and an uban number.