1323131300431 has 8 divisors (see below), whose sum is σ = 1326042403200. Its totient is φ = 1320220818720.

The previous prime is 1323131300399. The next prime is 1323131300461. The reversal of 1323131300431 is 1340031313231.

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 1323131300431 - 2⁵ = 1323131300399 is a prime.

It is a super-2 number, since 2×1323131300431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323131300396 and 1323131300405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323131300461) 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, 4247265 + ... + 4548133.

It is an arithmetic number, because the mean of its divisors is an integer number (165755300400).

Almost surely, 2^{1323131300431} is an apocalyptic number.

1323131300431 is a deficient number, since it is larger than the sum of its proper divisors (2911102769).

1323131300431 is an equidigital number, since it uses as much as digits as its factorization.

1323131300431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310529.

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

Adding to 1323131300431 its reverse (1340031313231), we get a palindrome (2663162613662).

The spelling of 1323131300431 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, three hundred thousand, four hundred thirty-one".