100031707 has 4 divisors (see below), whose sum is σ = 100550200. Its totient is φ = 99513216.

The previous prime is 100031671. The next prime is 100031719. The reversal of 100031707 is 707130001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707130001 = 251 ⋅2817251.

It is a cyclic number.

It is not a de Polignac number, because 100031707 - 2⁷ = 100031579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100031747) 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, 258957 + ... + 259342.

It is an arithmetic number, because the mean of its divisors is an integer number (25137550).

Almost surely, 2^100031707 is an apocalyptic number.

100031707 is a deficient number, since it is larger than the sum of its proper divisors (518493).

100031707 is an equidigital number, since it uses as much as digits as its factorization.

100031707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518492.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 100031707 is about 10001.5852243532. The cubic root of 100031707 is about 464.2079351297.

Adding to 100031707 its reverse (707130001), we get a palindrome (807161708).

The spelling of 100031707 in words is "one hundred million, thirty-one thousand, seven hundred seven".