100630331 has 4 divisors (see below), whose sum is σ = 101107464. Its totient is φ = 100153200.

The previous prime is 100630303. The next prime is 100630349. The reversal of 100630331 is 133036001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100630331 is a prime.

It is a super-2 number, since 2×100630331² = 20252927034339122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100630351) 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, 238250 + ... + 238671.

It is an arithmetic number, because the mean of its divisors is an integer number (25276866).

Almost surely, 2^100630331 is an apocalyptic number.

100630331 is a deficient number, since it is larger than the sum of its proper divisors (477133).

100630331 is an equidigital number, since it uses as much as digits as its factorization.

100630331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477132.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 100630331 is about 10031.4670412657. The cubic root of 100630331 is about 465.1320871917.

Adding to 100630331 its reverse (133036001), we get a palindrome (233666332).

The spelling of 100630331 in words is "one hundred million, six hundred thirty thousand, three hundred thirty-one".