13030311504 has 160 divisors (see below), whose sum is σ = 41402278656. Its totient is φ = 3446415360.

The previous prime is 13030311493. The next prime is 13030311527. The reversal of 13030311504 is 40511303031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 329734 + ... + 367130.

Almost surely, 2^13030311504 is an apocalyptic number.

13030311504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13030311504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20701139328).

13030311504 is an abundant number, since it is smaller than the sum of its proper divisors (28371967152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13030311504 is a wasteful number, since it uses less digits than its factorization.

13030311504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37493 (or 37487 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 13030311504 its reverse (40511303031), we get a palindrome (53541614535).

The spelling of 13030311504 in words is "thirteen billion, thirty million, three hundred eleven thousand, five hundred four".