100099631 has 2 divisors, whose sum is σ = 100099632. Its totient is φ = 100099630.

The previous prime is 100099627. The next prime is 100099639. The reversal of 100099631 is 136990001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100099631 - 2² = 100099627 is a prime.

It is a super-2 number, since 2×100099631² = 20039872252672322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100099594 and 100099603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100099639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50049815 + 50049816.

It is an arithmetic number, because the mean of its divisors is an integer number (50049816).

Almost surely, 2^100099631 is an apocalyptic number.

100099631 is a deficient number, since it is larger than the sum of its proper divisors (1).

100099631 is an equidigital number, since it uses as much as digits as its factorization.

100099631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 100099631 is about 10004.9803098257. The cubic root of 100099631 is about 464.3129809087.

The spelling of 100099631 in words is "one hundred million, ninety-nine thousand, six hundred thirty-one".