100010531 has 4 divisors (see below), whose sum is σ = 103459200. Its totient is φ = 96561864.

The previous prime is 100010527. The next prime is 100010539. The reversal of 100010531 is 135010001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100010531 - 2² = 100010527 is a prime.

It is a super-2 number, since 2×100010531² = 20004212621803922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100010539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724291 + ... + 1724348.

It is an arithmetic number, because the mean of its divisors is an integer number (25864800).

Almost surely, 2^100010531 is an apocalyptic number.

100010531 is a deficient number, since it is larger than the sum of its proper divisors (3448669).

100010531 is an equidigital number, since it uses as much as digits as its factorization.

100010531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3448668.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 100010531 is about 10000.5265361380. The cubic root of 100010531 is about 464.1751763134.

Adding to 100010531 its reverse (135010001), we get a palindrome (235020532).

The spelling of 100010531 in words is "one hundred million, ten thousand, five hundred thirty-one".