13102031302312 has 16 divisors (see below), whose sum is σ = 24572561310900. Its totient is φ = 6549348286080.

The previous prime is 13102031302307. The next prime is 13102031302319. The reversal of 13102031302312 is 21320313020131.

It can be written as a sum of positive squares in 2 ways, for example, as 11147946033316 + 1954085268996 = 3338854^2 + 1397886^2 .

It is not an unprimeable number, because it can be changed into a prime (13102031302319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208387239 + ... + 208450102.

Almost surely, 2^{13102031302312} is an apocalyptic number.

It is an amenable number.

13102031302312 is a deficient number, since it is larger than the sum of its proper divisors (11470530008588).

13102031302312 is a wasteful number, since it uses less digits than its factorization.

13102031302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416841276 (or 416841272 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13102031302312 its reverse (21320313020131), we get a palindrome (34422344322443).

The spelling of 13102031302312 in words is "thirteen trillion, one hundred two billion, thirty-one million, three hundred two thousand, three hundred twelve".