3131203411343 has 8 divisors (see below), whose sum is σ = 3581444210688. Its totient is φ = 2681694118584.

The previous prime is 3131203411313. The next prime is 3131203411363. The reversal of 3131203411343 is 3431143021313.

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 3131203411343 - 2¹² = 3131203407247 is a prime.

It is a super-2 number, since 2×3131203411343² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131203411313) 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, 182867471 + ... + 182884592.

It is an arithmetic number, because the mean of its divisors is an integer number (447680526336).

Almost surely, 2^{3131203411343} is an apocalyptic number.

3131203411343 is a deficient number, since it is larger than the sum of its proper divisors (450240799345).

3131203411343 is a wasteful number, since it uses less digits than its factorization.

3131203411343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365753293.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 3131203411343 its reverse (3431143021313), we get a palindrome (6562346432656).

The spelling of 3131203411343 in words is "three trillion, one hundred thirty-one billion, two hundred three million, four hundred eleven thousand, three hundred forty-three".