6311320503 has 8 divisors (see below), whose sum is σ = 8415702768. Its totient is φ = 4207242624.

The previous prime is 6311320501. The next prime is 6311320513. The reversal of 6311320503 is 3050231136.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6311320503 - 2¹ = 6311320501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311320501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22276 + ... + 114537.

It is an arithmetic number, because the mean of its divisors is an integer number (1051962846).

Almost surely, 2^6311320503 is an apocalyptic number.

6311320503 is a deficient number, since it is larger than the sum of its proper divisors (2104382265).

6311320503 is a wasteful number, since it uses less digits than its factorization.

6311320503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152193.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 6311320503 is about 79443.8197910951. The cubic root of 6311320503 is about 1848.0203321000.

Adding to 6311320503 its reverse (3050231136), we get a palindrome (9361551639).

The spelling of 6311320503 in words is "six billion, three hundred eleven million, three hundred twenty thousand, five hundred three".