15231505030 has 16 divisors (see below), whose sum is σ = 31333381920. Its totient is φ = 5222230272.

The previous prime is 15231505013. The next prime is 15231505031. The reversal of 15231505030 is 3050513251.

It is a junction number, because it is equal to n+sod(n) for n = 15231504986 and 15231505004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15231505031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108796395 + ... + 108796534.

It is an arithmetic number, because the mean of its divisors is an integer number (1958336370).

Almost surely, 2^15231505030 is an apocalyptic number.

15231505030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15231505030 is an abundant number, since it is smaller than the sum of its proper divisors (16101876890).

15231505030 is a wasteful number, since it uses less digits than its factorization.

15231505030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217592943.

The product of its (nonzero) digits is 2250, while the sum is 25.

The spelling of 15231505030 in words is "fifteen billion, two hundred thirty-one million, five hundred five thousand, thirty".