1303343412321 has 32 divisors (see below), whose sum is σ = 1763569653120. Its totient is φ = 856094400000.

The previous prime is 1303343412313. The next prime is 1303343412361. The reversal of 1303343412321 is 1232143433031.

It is not a de Polignac number, because 1303343412321 - 2³ = 1303343412313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303343412361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186161821 + ... + 186168821.

It is an arithmetic number, because the mean of its divisors is an integer number (55111551660).

Almost surely, 2^{1303343412321} is an apocalyptic number.

It is an amenable number.

1303343412321 is a deficient number, since it is larger than the sum of its proper divisors (460226240799).

1303343412321 is a wasteful number, since it uses less digits than its factorization.

1303343412321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 1303343412321 its reverse (1232143433031), we get a palindrome (2535486845352).

The spelling of 1303343412321 in words is "one trillion, three hundred three billion, three hundred forty-three million, four hundred twelve thousand, three hundred twenty-one".