13031011140 has 144 divisors (see below), whose sum is σ = 42743412096. Its totient is φ = 2905712640.

The previous prime is 13031011127. The next prime is 13031011141. The reversal of 13031011140 is 4111013031.

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

It is not an unprimeable number, because it can be changed into a prime (13031011141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 696792 + ... + 715248.

Almost surely, 2^13031011140 is an apocalyptic number.

13031011140 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 13031011140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21371706048).

13031011140 is an abundant number, since it is smaller than the sum of its proper divisors (29712400956).

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

13031011140 is a wasteful number, since it uses less digits than its factorization.

13031011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18558 (or 18515 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13031011140 its reverse (4111013031), we get a palindrome (17142024171).

The spelling of 13031011140 in words is "thirteen billion, thirty-one million, eleven thousand, one hundred forty".