29991031283392 has 56 divisors (see below), whose sum is σ = 59726230413696. Its totient is φ = 14941918937088.

The previous prime is 29991031283371. The next prime is 29991031283417. The reversal of 29991031283392 is 29338213019992.

It is a self number, because there is not a number n which added to its sum of digits gives 29991031283392.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118705233 + ... + 118957615.

It is an arithmetic number, because the mean of its divisors is an integer number (1066539828816).

Almost surely, 2^{29991031283392} is an apocalyptic number.

It is an amenable number.

29991031283392 is a deficient number, since it is larger than the sum of its proper divisors (29735199130304).

29991031283392 is a wasteful number, since it uses less digits than its factorization.

29991031283392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259025 (or 259015 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 61.

The spelling of 29991031283392 in words is "twenty-nine trillion, nine hundred ninety-one billion, thirty-one million, two hundred eighty-three thousand, three hundred ninety-two".