311431244421413 has 8 divisors (see below), whose sum is σ = 315275879712768. Its totient is φ = 307602398187504.

The previous prime is 311431244421391. The next prime is 311431244421433. The reversal of 311431244421413 is 314124442134113.

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 311431244421413 - 2¹⁶ = 311431244355877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311431244421433) 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, 3947224670 + ... + 3947303567.

It is an arithmetic number, because the mean of its divisors is an integer number (39409484964096).

Almost surely, 2^{311431244421413} is an apocalyptic number.

It is an amenable number.

311431244421413 is a deficient number, since it is larger than the sum of its proper divisors (3844635291355).

311431244421413 is a wasteful number, since it uses less digits than its factorization.

311431244421413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894528723.

The product of its digits is 110592, while the sum is 38.

Adding to 311431244421413 its reverse (314124442134113), we get a palindrome (625555686555526).

The spelling of 311431244421413 in words is "three hundred eleven trillion, four hundred thirty-one billion, two hundred forty-four million, four hundred twenty-one thousand, four hundred thirteen".