311432344023 has 16 divisors (see below), whose sum is σ = 426562488320. Its totient is φ = 201964422816.

The previous prime is 311432344021. The next prime is 311432344087. The reversal of 311432344023 is 320443234113.

It is a happy number.

It is not a de Polignac number, because 311432344023 - 2¹ = 311432344021 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 (311432344021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178158 + ... + 809076.

It is an arithmetic number, because the mean of its divisors is an integer number (26660155520).

Almost surely, 2^311432344023 is an apocalyptic number.

311432344023 is a deficient number, since it is larger than the sum of its proper divisors (115130144297).

311432344023 is a wasteful number, since it uses less digits than its factorization.

311432344023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635406.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 311432344023 its reverse (320443234113), we get a palindrome (631875578136).

The spelling of 311432344023 in words is "three hundred eleven billion, four hundred thirty-two million, three hundred forty-four thousand, twenty-three".