100531007 has 2 divisors, whose sum is σ = 100531008. Its totient is φ = 100531006.

The previous prime is 100530967. The next prime is 100531009. The reversal of 100531007 is 700135001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100531007 - 2⁶ = 100530943 is a prime.

Together with 100531009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100531009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50265503 + 50265504.

It is an arithmetic number, because the mean of its divisors is an integer number (50265504).

Almost surely, 2^100531007 is an apocalyptic number.

100531007 is a deficient number, since it is larger than the sum of its proper divisors (1).

100531007 is an equidigital number, since it uses as much as digits as its factorization.

100531007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105, while the sum is 17.

The square root of 100531007 is about 10026.5151972158. The cubic root of 100531007 is about 464.9790054883.

Adding to 100531007 its reverse (700135001), we get a palindrome (800666008).

The spelling of 100531007 in words is "one hundred million, five hundred thirty-one thousand, seven".