13213231015 has 16 divisors (see below), whose sum is σ = 16605033408. Its totient is φ = 10074468096.

The previous prime is 13213230949. The next prime is 13213231043. The reversal of 13213231015 is 51013231231.

It is not a de Polignac number, because 13213231015 - 2⁷ = 13213230887 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 175542 + ... + 239251.

It is an arithmetic number, because the mean of its divisors is an integer number (1037814588).

Almost surely, 2^13213231015 is an apocalyptic number.

13213231015 is a deficient number, since it is larger than the sum of its proper divisors (3391802393).

13213231015 is a wasteful number, since it uses less digits than its factorization.

13213231015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415098.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 13213231015 its reverse (51013231231), we get a palindrome (64226462246).

The spelling of 13213231015 in words is "thirteen billion, two hundred thirteen million, two hundred thirty-one thousand, fifteen".