16311383 has 4 divisors (see below), whose sum is σ = 17794248. Its totient is φ = 14828520.

The previous prime is 16311377. The next prime is 16311419. The reversal of 16311383 is 38311361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38311361 = 11 ⋅3482851.

It is a cyclic number.

It is not a de Polignac number, because 16311383 - 2¹² = 16307287 is a prime.

It is a super-2 number, since 2×16311383² = 532122430745378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16311343) 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, 741416 + ... + 741437.

It is an arithmetic number, because the mean of its divisors is an integer number (4448562).

Almost surely, 2^16311383 is an apocalyptic number.

16311383 is a deficient number, since it is larger than the sum of its proper divisors (1482865).

16311383 is a wasteful number, since it uses less digits than its factorization.

16311383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482864.

The product of its digits is 1296, while the sum is 26.

The square root of 16311383 is about 4038.7353218551. The cubic root of 16311383 is about 253.6083772157.

The spelling of 16311383 in words is "sixteen million, three hundred eleven thousand, three hundred eighty-three".