13213431210 has 64 divisors (see below), whose sum is σ = 37126543104. Its totient is φ = 2946547200.

The previous prime is 13213431167. The next prime is 13213431239. The reversal of 13213431210 is 1213431231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon 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, 758721 + ... + 775940.

It is an arithmetic number, because the mean of its divisors is an integer number (580102236).

Almost surely, 2^13213431210 is an apocalyptic number.

13213431210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13213431210 is an abundant number, since it is smaller than the sum of its proper divisors (23913111894).

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

13213431210 is a wasteful number, since it uses less digits than its factorization.

13213431210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534719.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13213431210 its sum of digits (21), we get a palindrome (13213431231).

Adding to 13213431210 its reverse (1213431231), we get a palindrome (14426862441).

The spelling of 13213431210 in words is "thirteen billion, two hundred thirteen million, four hundred thirty-one thousand, two hundred ten".