311320110030 has 16 divisors (see below), whose sum is σ = 747168264144. Its totient is φ = 83018696000.

The previous prime is 311320110029. The next prime is 311320110041. The reversal of 311320110030 is 30011023113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 311320109991 and 311320110009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5188668471 + ... + 5188668530.

It is an arithmetic number, because the mean of its divisors is an integer number (46698016509).

Almost surely, 2^311320110030 is an apocalyptic number.

311320110030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

311320110030 is an abundant number, since it is smaller than the sum of its proper divisors (435848154114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311320110030 is a wasteful number, since it uses less digits than its factorization.

311320110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10377337011.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 311320110030 its reverse (30011023113), we get a palindrome (341331133143).

The spelling of 311320110030 in words is "three hundred eleven billion, three hundred twenty million, one hundred ten thousand, thirty".