13431151530 has 96 divisors (see below), whose sum is σ = 36582534144. Its totient is φ = 3412451328.

The previous prime is 13431151493. The next prime is 13431151537. The reversal of 13431151530 is 3515113431.

It is a happy number.

13431151530 is a `hidden beast` number, since 13 + 4 + 3 + 115 + 1 + 530 = 666.

It is a super-3 number, since 3×13431151530³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13431151494 and 13431151503.

It is not an unprimeable number, because it can be changed into a prime (13431151537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 519367 + ... + 544613.

It is an arithmetic number, because the mean of its divisors is an integer number (381068064).

Almost surely, 2^13431151530 is an apocalyptic number.

13431151530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13431151530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18291267072).

13431151530 is an abundant number, since it is smaller than the sum of its proper divisors (23151382614).

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

13431151530 is a wasteful number, since it uses less digits than its factorization.

13431151530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25540 (or 25537 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13431151530 its reverse (3515113431), we get a palindrome (16946264961).

The spelling of 13431151530 in words is "thirteen billion, four hundred thirty-one million, one hundred fifty-one thousand, five hundred thirty".