13031331000 has 128 divisors (see below), whose sum is σ = 40698028800. Its totient is φ = 3471580800.

The previous prime is 13031330927. The next prime is 13031331017. The reversal of 13031331000 is 13313031.

It is a super-2 number, since 2×13031331000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4855659 + ... + 4858341.

It is an arithmetic number, because the mean of its divisors is an integer number (317953350).

Almost surely, 2^13031331000 is an apocalyptic number.

13031331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20349014400).

13031331000 is an abundant number, since it is smaller than the sum of its proper divisors (27666697800).

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

13031331000 is a wasteful number, since it uses less digits than its factorization.

13031331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4312 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 13031331000 its reverse (13313031), we get a palindrome (13044644031).

The spelling of 13031331000 in words is "thirteen billion, thirty-one million, three hundred thirty-one thousand".