29313231293 has 16 divisors (see below), whose sum is σ = 30990435840. Its totient is φ = 27649681200.

The previous prime is 29313231287. The next prime is 29313231307. The reversal of 29313231293 is 39213231392.

It is a cyclic number.

It is not a de Polignac number, because 29313231293 - 2⁶ = 29313231229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29313131293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6444446 + ... + 6448992.

It is an arithmetic number, because the mean of its divisors is an integer number (1936902240).

Almost surely, 2^29313231293 is an apocalyptic number.

It is an amenable number.

29313231293 is a deficient number, since it is larger than the sum of its proper divisors (1677204547).

29313231293 is a wasteful number, since it uses less digits than its factorization.

29313231293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968.

The product of its digits is 52488, while the sum is 38.

Subtracting 29313231293 from its reverse (39213231392), we obtain a palindrome (9900000099).

The spelling of 29313231293 in words is "twenty-nine billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred ninety-three".