15231000013 has 16 divisors (see below), whose sum is σ = 16192632960. Its totient is φ = 14298984000.

The previous prime is 15230999989. The next prime is 15231000041. The reversal of 15231000013 is 31000013251.

It is a cyclic number.

It is not a de Polignac number, because 15231000013 - 2¹⁷ = 15230868941 is a prime.

It is a super-2 number, since 2×15231000013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15231000413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2068288 + ... + 2075638.

It is an arithmetic number, because the mean of its divisors is an integer number (1012039560).

Almost surely, 2^15231000013 is an apocalyptic number.

It is an amenable number.

15231000013 is a deficient number, since it is larger than the sum of its proper divisors (961632947).

15231000013 is a wasteful number, since it uses less digits than its factorization.

15231000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 15231000013 its reverse (31000013251), we get a palindrome (46231013264).

The spelling of 15231000013 in words is "fifteen billion, two hundred thirty-one million, thirteen", and thus it is an aban number.