13155431034312 has 64 divisors (see below), whose sum is σ = 41763273129600. Its totient is φ = 3758694580800.

The previous prime is 13155431034293. The next prime is 13155431034331. The reversal of 13155431034312 is 21343013455131.

13155431034312 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 543 + 103 + 4 + 3 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (13155431034293) and next prime (13155431034331).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350339439 + ... + 4350342462.

It is an arithmetic number, because the mean of its divisors is an integer number (652551142650).

Almost surely, 2^{13155431034312} is an apocalyptic number.

13155431034312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13155431034312 is an abundant number, since it is smaller than the sum of its proper divisors (28607842095288).

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

13155431034312 is a wasteful number, since it uses less digits than its factorization.

13155431034312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700681923 (or 8700681913 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 13155431034312 its reverse (21343013455131), we get a palindrome (34498444489443).

The spelling of 13155431034312 in words is "thirteen trillion, one hundred fifty-five billion, four hundred thirty-one million, thirty-four thousand, three hundred twelve".