311034542155513 has 16 divisors (see below), whose sum is σ = 339615371361024. Its totient is φ = 282504597719760.

The previous prime is 311034542155501. The next prime is 311034542155573. The reversal of 311034542155513 is 315551245430113.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 311034542155513 - 2¹⁷ = 311034542024441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311034542155513.

It is not an unprimeable number, because it can be changed into a prime (311034542155573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106487206 + ... + 109369072.

It is an arithmetic number, because the mean of its divisors is an integer number (21225960710064).

Almost surely, 2^{311034542155513} is an apocalyptic number.

It is an amenable number.

311034542155513 is a deficient number, since it is larger than the sum of its proper divisors (28580829205511).

311034542155513 is a wasteful number, since it uses less digits than its factorization.

311034542155513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890692.

The product of its (nonzero) digits is 540000, while the sum is 43.

Adding to 311034542155513 its reverse (315551245430113), we get a palindrome (626585787585626).

The spelling of 311034542155513 in words is "three hundred eleven trillion, thirty-four billion, five hundred forty-two million, one hundred fifty-five thousand, five hundred thirteen".