1321312113110 has 64 divisors (see below), whose sum is σ = 2659438656000. Its totient is φ = 468479558400.

The previous prime is 1321312113103. The next prime is 1321312113161. The reversal of 1321312113110 is 113112131231.

It is a congruent 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, 7576271 + ... + 7748709.

It is an arithmetic number, because the mean of its divisors is an integer number (41553729000).

Almost surely, 2^{1321312113110} is an apocalyptic number.

1321312113110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321312113110 is an abundant number, since it is smaller than the sum of its proper divisors (1338126542890).

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

1321312113110 is a wasteful number, since it uses less digits than its factorization.

1321312113110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174197.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1321312113110 its reverse (113112131231), we get a palindrome (1434424244341).

The spelling of 1321312113110 in words is "one trillion, three hundred twenty-one billion, three hundred twelve million, one hundred thirteen thousand, one hundred ten".