1323312303131 has 8 divisors (see below), whose sum is σ = 1628692065504. Its totient is φ = 1047016327680.

The previous prime is 1323312303127. The next prime is 1323312303149. The reversal of 1323312303131 is 1313032133231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323312303131 - 2² = 1323312303127 is a prime.

It is a super-2 number, since 2×1323312303131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323312303131.

It is not an unprimeable number, because it can be changed into a prime (1323312303151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7270946630 + ... + 7270946811.

It is an arithmetic number, because the mean of its divisors is an integer number (203586508188).

Almost surely, 2^{1323312303131} is an apocalyptic number.

1323312303131 is a deficient number, since it is larger than the sum of its proper divisors (305379762373).

1323312303131 is a wasteful number, since it uses less digits than its factorization.

1323312303131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541893461.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1323312303131 its reverse (1313032133231), we get a palindrome (2636344436362).

The spelling of 1323312303131 in words is "one trillion, three hundred twenty-three billion, three hundred twelve million, three hundred three thousand, one hundred thirty-one".