13131221410 has 16 divisors (see below), whose sum is σ = 24663859776. Its totient is φ = 5024119408.

The previous prime is 13131221407. The next prime is 13131221429. The reversal of 13131221410 is 1412213131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28545904 + ... + 28546363.

It is an arithmetic number, because the mean of its divisors is an integer number (1541491236).

Almost surely, 2^13131221410 is an apocalyptic number.

13131221410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131221410 is a deficient number, since it is larger than the sum of its proper divisors (11532638366).

13131221410 is a wasteful number, since it uses less digits than its factorization.

13131221410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57092297.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13131221410 its reverse (1412213131), we get a palindrome (14543434541).

The spelling of 13131221410 in words is "thirteen billion, one hundred thirty-one million, two hundred twenty-one thousand, four hundred ten".