38311103992 has 32 divisors (see below), whose sum is σ = 82101506400. Its totient is φ = 16417787904.

The previous prime is 38311103977. The next prime is 38311103993. The reversal of 38311103992 is 29930111383.

38311103992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38311103993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1388184 + ... + 1415512.

It is an arithmetic number, because the mean of its divisors is an integer number (2565672075).

Almost surely, 2^38311103992 is an apocalyptic number.

It is an amenable number.

38311103992 is an abundant number, since it is smaller than the sum of its proper divisors (43790402408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38311103992 is a wasteful number, since it uses less digits than its factorization.

38311103992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52375 (or 52371 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 38311103992 in words is "thirty-eight billion, three hundred eleven million, one hundred three thousand, nine hundred ninety-two".