311430012320423 has 4 divisors (see below), whose sum is σ = 311436136012320. Its totient is φ = 311423888628528.

The previous prime is 311430012320411. The next prime is 311430012320477. The reversal of 311430012320423 is 324023210034113.

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 311430012320423 - 2²² = 311430008126119 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 (311430012320023) 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, 3061769663 + ... + 3061871376.

It is an arithmetic number, because the mean of its divisors is an integer number (77859034003080).

Almost surely, 2^{311430012320423} is an apocalyptic number.

311430012320423 is a deficient number, since it is larger than the sum of its proper divisors (6123691897).

311430012320423 is an equidigital number, since it uses as much as digits as its factorization.

311430012320423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123691896.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 311430012320423 its reverse (324023210034113), we get a palindrome (635453222354536).

The spelling of 311430012320423 in words is "three hundred eleven trillion, four hundred thirty billion, twelve million, three hundred twenty thousand, four hundred twenty-three".