31838538888164 has 24 divisors (see below), whose sum is σ = 57639202803000. Its totient is φ = 15370204156160.

The previous prime is 31838538888137. The next prime is 31838538888227. The reversal of 31838538888164 is 46188883583813.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15832202260900 + 16006336627264 = 3978970^2 + 4000792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31838538888091 and 31838538888100.

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, 14104874 + ... + 16205694.

It is an arithmetic number, because the mean of its divisors is an integer number (2401633450125).

Almost surely, 2^{31838538888164} is an apocalyptic number.

It is an amenable number.

31838538888164 is a deficient number, since it is larger than the sum of its proper divisors (25800663914836).

31838538888164 is a wasteful number, since it uses less digits than its factorization.

31838538888164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231503 (or 2231501 counting only the distinct ones).

The product of its digits is 849346560, while the sum is 74.

The spelling of 31838538888164 in words is "thirty-one trillion, eight hundred thirty-eight billion, five hundred thirty-eight million, eight hundred eighty-eight thousand, one hundred sixty-four".