13530311400 has 96 divisors (see below), whose sum is σ = 42449470560. Its totient is φ = 3564599040.

The previous prime is 13530311387. The next prime is 13530311423. The reversal of 13530311400 is 411303531.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86047 + ... + 185646.

It is an arithmetic number, because the mean of its divisors is an integer number (442181985).

Almost surely, 2^13530311400 is an apocalyptic number.

13530311400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13530311400 is an abundant number, since it is smaller than the sum of its proper divisors (28919159160).

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

13530311400 is a wasteful number, since it uses less digits than its factorization.

13530311400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271795 (or 271786 counting only the distinct ones).

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

Adding to 13530311400 its reverse (411303531), we get a palindrome (13941614931).

The spelling of 13530311400 in words is "thirteen billion, five hundred thirty million, three hundred eleven thousand, four hundred".