3131072065000 has 160 divisors (see below), whose sum is σ = 8092954425600. Its totient is φ = 1125776960000.

The previous prime is 3131072064997. The next prime is 3131072065057. The reversal of 3131072065000 is 5602701313.

It is a super-2 number, since 2×3131072065000² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3131072065000.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4575177 + ... + 5214823.

It is an arithmetic number, because the mean of its divisors is an integer number (50580965160).

Almost surely, 2^{3131072065000} 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 3131072065000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046477212800).

3131072065000 is an abundant number, since it is smaller than the sum of its proper divisors (4961882360600).

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

3131072065000 is a wasteful number, since it uses less digits than its factorization.

3131072065000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639773 (or 639754 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 3131072065000 its reverse (5602701313), we get a palindrome (3136674766313).

The spelling of 3131072065000 in words is "three trillion, one hundred thirty-one billion, seventy-two million, sixty-five thousand".