15530231034 has 64 divisors (see below), whose sum is σ = 36569594880. Its totient is φ = 4868513280.

The previous prime is 15530231027. The next prime is 15530231081. The reversal of 15530231034 is 43013203551.

15530231034 is a `hidden beast` number, since 1 + 5 + 530 + 23 + 103 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 15530230989 and 15530231007.

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 31 ways as a sum of consecutive naturals, for example, 1353847 + ... + 1365269.

It is an arithmetic number, because the mean of its divisors is an integer number (571399920).

Almost surely, 2^15530231034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15530231034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18284797440).

15530231034 is an abundant number, since it is smaller than the sum of its proper divisors (21039363846).

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

15530231034 is a wasteful number, since it uses less digits than its factorization.

15530231034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12932 (or 12926 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 15530231034 its reverse (43013203551), we get a palindrome (58543434585).

The spelling of 15530231034 in words is "fifteen billion, five hundred thirty million, two hundred thirty-one thousand, thirty-four".