311430231000223 has 4 divisors (see below), whose sum is σ = 312995207035600. Its totient is φ = 309865254964848.

The previous prime is 311430231000199. The next prime is 311430231000257. The reversal of 311430231000223 is 322000132034113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311430231000223 - 2¹⁷ = 311430230869151 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 (311430231003223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782488017390 + ... + 782488017787.

It is an arithmetic number, because the mean of its divisors is an integer number (78248801758900).

Almost surely, 2^{311430231000223} is an apocalyptic number.

311430231000223 is a deficient number, since it is larger than the sum of its proper divisors (1564976035377).

311430231000223 is a wasteful number, since it uses less digits than its factorization.

311430231000223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564976035376.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 311430231000223 its reverse (322000132034113), we get a palindrome (633430363034336).

The spelling of 311430231000223 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred thirty-one million, two hundred twenty-three", and thus it is an aban number.