311230302989 has 8 divisors (see below), whose sum is σ = 320975846400. Its totient is φ = 301598742816.

The previous prime is 311230302961. The next prime is 311230303051. The reversal of 311230302989 is 989203032113.

It is a happy number.

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 311230302989 - 2³⁶ = 242510826253 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 (311230302289) 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, 28490264 + ... + 28501185.

It is an arithmetic number, because the mean of its divisors is an integer number (40121980800).

Almost surely, 2^311230302989 is an apocalyptic number.

It is an amenable number.

311230302989 is a deficient number, since it is larger than the sum of its proper divisors (9745543411).

311230302989 is a wasteful number, since it uses less digits than its factorization.

311230302989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56991619.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 311230302989 in words is "three hundred eleven billion, two hundred thirty million, three hundred two thousand, nine hundred eighty-nine".