1303321103231 has 16 divisors (see below), whose sum is σ = 1526378887488. Its totient is φ = 1089499852800.

The previous prime is 1303321103143. The next prime is 1303321103237. The reversal of 1303321103231 is 1323011233031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303321103231 is a prime.

It is a super-2 number, since 2×1303321103231² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1303321103197 and 1303321103206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303321103237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11591 + ... + 1614551.

It is an arithmetic number, because the mean of its divisors is an integer number (95398680468).

Almost surely, 2^{1303321103231} is an apocalyptic number.

1303321103231 is a deficient number, since it is larger than the sum of its proper divisors (223057784257).

1303321103231 is a wasteful number, since it uses less digits than its factorization.

1303321103231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605842.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1303321103231 its reverse (1323011233031), we get a palindrome (2626332336262).

The spelling of 1303321103231 in words is "one trillion, three hundred three billion, three hundred twenty-one million, one hundred three thousand, two hundred thirty-one".