13210431234 has 128 divisors (see below), whose sum is σ = 36433539072. Its totient is φ = 3081680640.

The previous prime is 13210431209. The next prime is 13210431257. The reversal of 13210431234 is 43213401231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 192499 + ... + 251945.

It is an arithmetic number, because the mean of its divisors is an integer number (284637024).

Almost surely, 2^13210431234 is an apocalyptic number.

13210431234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13210431234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18216769536).

13210431234 is an abundant number, since it is smaller than the sum of its proper divisors (23223107838).

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

13210431234 is a wasteful number, since it uses less digits than its factorization.

13210431234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59520.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13210431234 its reverse (43213401231), we get a palindrome (56423832465).

It can be divided in two parts, 13210 and 431234, that added together give a palindrome (444444).

The spelling of 13210431234 in words is "thirteen billion, two hundred ten million, four hundred thirty-one thousand, two hundred thirty-four".