100366631 has 2 divisors, whose sum is σ = 100366632. Its totient is φ = 100366630.

The previous prime is 100366621. The next prime is 100366633. The reversal of 100366631 is 136663001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100366631 - 2²² = 96172327 is a prime.

It is a super-2 number, since 2×100366631² = 20146921236580322, which contains 22 as substring.

Together with 100366633, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100366631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100366633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50183315 + 50183316.

It is an arithmetic number, because the mean of its divisors is an integer number (50183316).

Almost surely, 2^100366631 is an apocalyptic number.

100366631 is a deficient number, since it is larger than the sum of its proper divisors (1).

100366631 is an equidigital number, since it uses as much as digits as its factorization.

100366631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 100366631 is about 10018.3147784445. The cubic root of 100366631 is about 464.7254416501.

The spelling of 100366631 in words is "one hundred million, three hundred sixty-six thousand, six hundred thirty-one".