311140321333423 has 4 divisors (see below), whose sum is σ = 312288440600608. Its totient is φ = 309992202066240.

The previous prime is 311140321333403. The next prime is 311140321333459. The reversal of 311140321333423 is 324333123041113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311140321333423 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 (311140321333403) 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, 574059633186 + ... + 574059633727.

It is an arithmetic number, because the mean of its divisors is an integer number (78072110150152).

Almost surely, 2^{311140321333423} is an apocalyptic number.

311140321333423 is a deficient number, since it is larger than the sum of its proper divisors (1148119267185).

311140321333423 is a wasteful number, since it uses less digits than its factorization.

311140321333423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148119267184.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 311140321333423 its reverse (324333123041113), we get a palindrome (635473444374536).

The spelling of 311140321333423 in words is "three hundred eleven trillion, one hundred forty billion, three hundred twenty-one million, three hundred thirty-three thousand, four hundred twenty-three".