100201831 has 2 divisors, whose sum is σ = 100201832. Its totient is φ = 100201830.

The previous prime is 100201817. The next prime is 100201841. The reversal of 100201831 is 138102001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100201831 - 2¹¹ = 100199783 is a prime.

It is a super-2 number, since 2×100201831² = 20080813871505122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100201811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50100915 + 50100916.

It is an arithmetic number, because the mean of its divisors is an integer number (50100916).

Almost surely, 2^100201831 is an apocalyptic number.

100201831 is a deficient number, since it is larger than the sum of its proper divisors (1).

100201831 is an equidigital number, since it uses as much as digits as its factorization.

100201831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 100201831 is about 10010.0864631630. The cubic root of 100201831 is about 464.4709456811.

Adding to 100201831 its reverse (138102001), we get a palindrome (238303832).

The spelling of 100201831 in words is "one hundred million, two hundred one thousand, eight hundred thirty-one".