1323122001131 has 12 divisors (see below), whose sum is σ = 1543552088400. Its totient is φ = 1130854974480.

The previous prime is 1323122001077. The next prime is 1323122001137. The reversal of 1323122001131 is 1311002213231.

It is a happy number.

It is not a de Polignac number, because 1323122001131 - 2¹⁸ = 1323121738987 is a prime.

It is a super-2 number, since 2×1323122001131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1323122001137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38668415 + ... + 38702616.

It is an arithmetic number, because the mean of its divisors is an integer number (128629340700).

Almost surely, 2^{1323122001131} is an apocalyptic number.

1323122001131 is a deficient number, since it is larger than the sum of its proper divisors (220430087269).

1323122001131 is an equidigital number, since it uses as much as digits as its factorization.

1323122001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77371394 (or 77371387 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1323122001131 its reverse (1311002213231), we get a palindrome (2634124214362).

The spelling of 1323122001131 in words is "one trillion, three hundred twenty-three billion, one hundred twenty-two million, one thousand, one hundred thirty-one".