13001331000 has 128 divisors (see below), whose sum is σ = 46359106560. Its totient is φ = 2971728000.

The previous prime is 13001330987. The next prime is 13001331029. The reversal of 13001331000 is 13310031.

It is a super-2 number, since 2×13001331000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 288556 + ... + 330555.

It is an arithmetic number, because the mean of its divisors is an integer number (362180520).

Almost surely, 2^13001331000 is an apocalyptic number.

13001331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001331000 is an abundant number, since it is smaller than the sum of its proper divisors (33357775560).

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

13001331000 is a wasteful number, since it uses less digits than its factorization.

13001331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619142 (or 619128 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 13001331000 its reverse (13310031), we get a palindrome (13014641031).

The spelling of 13001331000 in words is "thirteen billion, one million, three hundred thirty-one thousand".