100731016 has 16 divisors (see below), whose sum is σ = 191690640. Its totient is φ = 49613520.

The previous prime is 100730963. The next prime is 100731019. The reversal of 100731016 is 610137001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100730984 and 100731002.

It is not an unprimeable number, because it can be changed into a prime (100731019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93430 + ... + 94501.

It is an arithmetic number, because the mean of its divisors is an integer number (11980665).

Almost surely, 2^100731016 is an apocalyptic number.

It is an amenable number.

100731016 is a deficient number, since it is larger than the sum of its proper divisors (90959624).

100731016 is a wasteful number, since it uses less digits than its factorization.

100731016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188004 (or 188000 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 100731016 is about 10036.4842449934. The cubic root of 100731016 is about 465.2871637421.

Adding to 100731016 its reverse (610137001), we get a palindrome (710868017).

It can be divided in two parts, 1007 and 31016, that added together give a palindrome (32023).

The spelling of 100731016 in words is "one hundred million, seven hundred thirty-one thousand, sixteen".