1324100203431 has 4 divisors (see below), whose sum is σ = 1765466937912. Its totient is φ = 882733468952.

The previous prime is 1324100203427. The next prime is 1324100203463. The reversal of 1324100203431 is 1343020014231.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1324100203431 - 2² = 1324100203427 is a prime.

It is a super-2 number, since 2×1324100203431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324100203421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220683367236 + ... + 220683367241.

It is an arithmetic number, because the mean of its divisors is an integer number (441366734478).

Almost surely, 2^{1324100203431} is an apocalyptic number.

1324100203431 is a deficient number, since it is larger than the sum of its proper divisors (441366734481).

1324100203431 is an equidigital number, since it uses as much as digits as its factorization.

1324100203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441366734480.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1324100203431 its reverse (1343020014231), we get a palindrome (2667120217662).

The spelling of 1324100203431 in words is "one trillion, three hundred twenty-four billion, one hundred million, two hundred three thousand, four hundred thirty-one".