311345552135 has 8 divisors (see below), whose sum is σ = 373646164416. Its totient is φ = 249055440480.

The previous prime is 311345552093. The next prime is 311345552137. The reversal of 311345552135 is 531255543113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 311345552135 - 2²⁰ = 311344503559 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 (311345552137) 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, 2559776 + ... + 2678645.

It is an arithmetic number, because the mean of its divisors is an integer number (46705770552).

Almost surely, 2^311345552135 is an apocalyptic number.

311345552135 is a deficient number, since it is larger than the sum of its proper divisors (62300612281).

311345552135 is a wasteful number, since it uses less digits than its factorization.

311345552135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250313.

The product of its digits is 135000, while the sum is 38.

The spelling of 311345552135 in words is "three hundred eleven billion, three hundred forty-five million, five hundred fifty-two thousand, one hundred thirty-five".