1316243411431 has 4 divisors (see below), whose sum is σ = 1417492904632. Its totient is φ = 1214993918232.

The previous prime is 1316243411411. The next prime is 1316243411473. The reversal of 1316243411431 is 1341143426131.

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 1316243411431 - 2¹³ = 1316243403239 is a prime.

It is a super-2 number, since 2×1316243411431² (a number of 25 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 (1316243411401) 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, 50624746581 + ... + 50624746606.

It is an arithmetic number, because the mean of its divisors is an integer number (354373226158).

Almost surely, 2^{1316243411431} is an apocalyptic number.

1316243411431 is a deficient number, since it is larger than the sum of its proper divisors (101249493201).

1316243411431 is a wasteful number, since it uses less digits than its factorization.

1316243411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101249493200.

The product of its digits is 20736, while the sum is 34.

Adding to 1316243411431 its reverse (1341143426131), we get a palindrome (2657386837562).

The spelling of 1316243411431 in words is "one trillion, three hundred sixteen billion, two hundred forty-three million, four hundred eleven thousand, four hundred thirty-one".