29131317 has 12 divisors (see below), whose sum is σ = 43908384. Its totient is φ = 18576360.

The previous prime is 29131303. The next prime is 29131327. The reversal of 29131317 is 71313192.

It is not a de Polignac number, because 29131317 - 2⁴ = 29131301 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29131327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70159 + ... + 70572.

It is an arithmetic number, because the mean of its divisors is an integer number (3659032).

Almost surely, 2^29131317 is an apocalyptic number.

It is an amenable number.

29131317 is a deficient number, since it is larger than the sum of its proper divisors (14777067).

29131317 is a wasteful number, since it uses less digits than its factorization.

29131317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140760 (or 140757 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 29131317 is about 5397.3435132480. The cubic root of 29131317 is about 307.6947170468.

It can be divided in two parts, 2 and 9131317, that added together give a palindrome (9131319).

The spelling of 29131317 in words is "twenty-nine million, one hundred thirty-one thousand, three hundred seventeen".