311230100112321 has 32 divisors (see below), whose sum is σ = 470417439703680. Its totient is φ = 181445049907200.

The previous prime is 311230100112319. The next prime is 311230100112389. The reversal of 311230100112321 is 123211001032113.

It is not a de Polignac number, because 311230100112321 - 2¹ = 311230100112319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311230100112391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183026161 + ... + 184718801.

It is an arithmetic number, because the mean of its divisors is an integer number (14700544990740).

Almost surely, 2^{311230100112321} is an apocalyptic number.

It is an amenable number.

311230100112321 is a deficient number, since it is larger than the sum of its proper divisors (159187339591359).

311230100112321 is a wasteful number, since it uses less digits than its factorization.

311230100112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940817.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 311230100112321 its reverse (123211001032113), we get a palindrome (434441101144434).

The spelling of 311230100112321 in words is "three hundred eleven trillion, two hundred thirty billion, one hundred million, one hundred twelve thousand, three hundred twenty-one".