15131430342 has 80 divisors (see below), whose sum is σ = 39133223712. Its totient is φ = 4280428800.

The previous prime is 15131430283. The next prime is 15131430361. The reversal of 15131430342 is 24303413151.

It is a happy number.

15131430342 is a `hidden beast` number, since 1 + 5 + 1 + 314 + 3 + 0 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48478 + ... + 180590.

Almost surely, 2^15131430342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15131430342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19566611856).

15131430342 is an abundant number, since it is smaller than the sum of its proper divisors (24001793370).

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

15131430342 is a wasteful number, since it uses less digits than its factorization.

15131430342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132235 (or 132226 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 15131430342 its reverse (24303413151), we get a palindrome (39434843493).

The spelling of 15131430342 in words is "fifteen billion, one hundred thirty-one million, four hundred thirty thousand, three hundred forty-two".