1321101313032 has 16 divisors (see below), whose sum is σ = 3302753282640. Its totient is φ = 440367104336.

The previous prime is 1321101313019. The next prime is 1321101313109. The reversal of 1321101313032 is 2303131011231.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27522943998 + ... + 27522944045.

It is an arithmetic number, because the mean of its divisors is an integer number (206422080165).

Almost surely, 2^{1321101313032} is an apocalyptic number.

1321101313032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1321101313032 is an abundant number, since it is smaller than the sum of its proper divisors (1981651969608).

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

1321101313032 is a wasteful number, since it uses less digits than its factorization.

1321101313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55045888052 (or 55045888048 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1321101313032 its reverse (2303131011231), we get a palindrome (3624232324263).

The spelling of 1321101313032 in words is "one trillion, three hundred twenty-one billion, one hundred one million, three hundred thirteen thousand, thirty-two".