13131232029 has 8 divisors (see below), whose sum is σ = 19453677120. Its totient is φ = 8754154668.

The previous prime is 13131232007. The next prime is 13131232067. The reversal of 13131232029 is 92023213131.

13131232029 is a `hidden beast` number, since 1 + 3 + 1 + 312 + 320 + 29 = 666.

It is not a de Polignac number, because 13131232029 - 2¹² = 13131227933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 486341927 = 13131232029 / (1 + 3 + 1 + 3 + 1 + 2 + 3 + 2 + 0 + 2 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 13131231993 and 13131232011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131232069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243170937 + ... + 243170990.

It is an arithmetic number, because the mean of its divisors is an integer number (2431709640).

Almost surely, 2^13131232029 is an apocalyptic number.

It is an amenable number.

13131232029 is a deficient number, since it is larger than the sum of its proper divisors (6322445091).

13131232029 is an equidigital number, since it uses as much as digits as its factorization.

13131232029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486341936 (or 486341930 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 13131232029 in words is "thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand, twenty-nine".