29217512313 has 24 divisors (see below), whose sum is σ = 46047630720. Its totient is φ = 17704539360.

The previous prime is 29217512293. The next prime is 29217512351. The reversal of 29217512313 is 31321571292.

It is a happy number.

29217512313 is a `hidden beast` number, since 292 + 1 + 7 + 51 + 2 + 313 = 666.

It is not a de Polignac number, because 29217512313 - 2⁸ = 29217512057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29217510313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641583 + ... + 685611.

It is an arithmetic number, because the mean of its divisors is an integer number (1918651280).

Almost surely, 2^29217512313 is an apocalyptic number.

It is an amenable number.

29217512313 is a deficient number, since it is larger than the sum of its proper divisors (16830118407).

29217512313 is a wasteful number, since it uses less digits than its factorization.

29217512313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50749 (or 50746 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The spelling of 29217512313 in words is "twenty-nine billion, two hundred seventeen million, five hundred twelve thousand, three hundred thirteen".