13531131210 has 64 divisors (see below), whose sum is σ = 33271349760. Its totient is φ = 3519996480.

The previous prime is 13531131209. The next prime is 13531131217. The reversal of 13531131210 is 1213113531.

It is not an unprimeable number, because it can be changed into a prime (13531131217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102005 + ... + 1114215.

It is an arithmetic number, because the mean of its divisors is an integer number (519864840).

Almost surely, 2^13531131210 is an apocalyptic number.

13531131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13531131210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16635674880).

13531131210 is an abundant number, since it is smaller than the sum of its proper divisors (19740218550).

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

13531131210 is a wasteful number, since it uses less digits than its factorization.

13531131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13123.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 13531131210 its reverse (1213113531), we get a palindrome (14744244741).

The spelling of 13531131210 in words is "thirteen billion, five hundred thirty-one million, one hundred thirty-one thousand, two hundred ten".