1321313232310 has 16 divisors (see below), whose sum is σ = 2378379008736. Its totient is φ = 528521917248.

The previous prime is 1321313232301. The next prime is 1321313232439. The reversal of 1321313232310 is 132323131231.

It is a super-2 number, since 2×1321313232310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1758607 + ... + 2394853.

It is an arithmetic number, because the mean of its divisors is an integer number (148648688046).

Almost surely, 2^{1321313232310} is an apocalyptic number.

1321313232310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321313232310 is a deficient number, since it is larger than the sum of its proper divisors (1057065776426).

1321313232310 is a wasteful number, since it uses less digits than its factorization.

1321313232310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843927.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1321313232310 its reverse (132323131231), we get a palindrome (1453636363541).

The spelling of 1321313232310 in words is "one trillion, three hundred twenty-one billion, three hundred thirteen million, two hundred thirty-two thousand, three hundred ten".