311245230002113 has 4 divisors (see below), whose sum is σ = 339540250911408. Its totient is φ = 282950209092820.

The previous prime is 311245230002107. The next prime is 311245230002149. The reversal of 311245230002113 is 311200032542113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 311245230002113 - 2⁴¹ = 309046206746561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311245230002513) 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, 14147510454631 + ... + 14147510454652.

It is an arithmetic number, because the mean of its divisors is an integer number (84885062727852).

Almost surely, 2^{311245230002113} is an apocalyptic number.

It is an amenable number.

311245230002113 is a deficient number, since it is larger than the sum of its proper divisors (28295020909295).

311245230002113 is a wasteful number, since it uses less digits than its factorization.

311245230002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28295020909294.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 311245230002113 its reverse (311200032542113), we get a palindrome (622445262544226).

The spelling of 311245230002113 in words is "three hundred eleven trillion, two hundred forty-five billion, two hundred thirty million, two thousand, one hundred thirteen".