29931129344 has 20 divisors (see below), whose sum is σ = 59803800474. Its totient is φ = 14965564416.

The previous prime is 29931129337. The next prime is 29931129359. The reversal of 29931129344 is 44392113992.

It can be written as a sum of positive squares in only one way, i.e., 24873074944 + 5058054400 = 157712^2 + 71120^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29229107 + ... + 29230130.

Almost surely, 2^29931129344 is an apocalyptic number.

It is an amenable number.

29931129344 is a deficient number, since it is larger than the sum of its proper divisors (29872671130).

29931129344 is an frugal number, since it uses more digits than its factorization.

29931129344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58459255 (or 58459239 counting only the distinct ones).

The product of its digits is 419904, while the sum is 47.

The spelling of 29931129344 in words is "twenty-nine billion, nine hundred thirty-one million, one hundred twenty-nine thousand, three hundred forty-four".