311142228077 has 8 divisors (see below), whose sum is σ = 323334643200. Its totient is φ = 299084536080.

The previous prime is 311142228049. The next prime is 311142228083. The reversal of 311142228077 is 770822241113.

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 311142228077 - 2²⁴ = 311125450861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 311142228077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311142228377) 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, 33676073 + ... + 33685310.

It is an arithmetic number, because the mean of its divisors is an integer number (40416830400).

Almost surely, 2^311142228077 is an apocalyptic number.

It is an amenable number.

311142228077 is a deficient number, since it is larger than the sum of its proper divisors (12192415123).

311142228077 is a wasteful number, since it uses less digits than its factorization.

311142228077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67361563.

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 311142228077 in words is "three hundred eleven billion, one hundred forty-two million, two hundred twenty-eight thousand, seventy-seven".