29312145338 has 48 divisors (see below), whose sum is σ = 51627448320. Its totient is φ = 12226189248.

The previous prime is 29312145223. The next prime is 29312145347. The reversal of 29312145338 is 83354121392.

It is a junction number, because it is equal to n+sod(n) for n = 29312145295 and 29312145304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4991468 + ... + 4997336.

It is an arithmetic number, because the mean of its divisors is an integer number (1075571840).

Almost surely, 2^29312145338 is an apocalyptic number.

29312145338 is a deficient number, since it is larger than the sum of its proper divisors (22315302982).

29312145338 is a wasteful number, since it uses less digits than its factorization.

29312145338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111 (or 6058 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The spelling of 29312145338 in words is "twenty-nine billion, three hundred twelve million, one hundred forty-five thousand, three hundred thirty-eight".