15231240304 has 160 divisors (see below), whose sum is σ = 36533376000. Its totient is φ = 6003486720.

The previous prime is 15231240229. The next prime is 15231240317. The reversal of 15231240304 is 40304213251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23112327 + ... + 23112985.

It is an arithmetic number, because the mean of its divisors is an integer number (228333600).

Almost surely, 2^15231240304 is an apocalyptic number.

15231240304 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 15231240304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18266688000).

15231240304 is an abundant number, since it is smaller than the sum of its proper divisors (21302135696).

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

15231240304 is a wasteful number, since it uses less digits than its factorization.

15231240304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 15231240304 its reverse (40304213251), we get a palindrome (55535453555).

The spelling of 15231240304 in words is "fifteen billion, two hundred thirty-one million, two hundred forty thousand, three hundred four".