100241731 has 2 divisors, whose sum is σ = 100241732. Its totient is φ = 100241730.

The previous prime is 100241723. The next prime is 100241737. The reversal of 100241731 is 137142001.

It is a strong prime.

It is an emirp because it is prime and its reverse (137142001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100241731 - 2³ = 100241723 is a prime.

It is a super-2 number, since 2×100241731² = 20096809267752722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100241699 and 100241708.

It is not a weakly prime, because it can be changed into another prime (100241737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50120865 + 50120866.

It is an arithmetic number, because the mean of its divisors is an integer number (50120866).

Almost surely, 2^100241731 is an apocalyptic number.

100241731 is a deficient number, since it is larger than the sum of its proper divisors (1).

100241731 is an equidigital number, since it uses as much as digits as its factorization.

100241731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 100241731 is about 10012.0792545804. The cubic root of 100241731 is about 464.5325877065.

Adding to 100241731 its reverse (137142001), we get a palindrome (237383732).

The spelling of 100241731 in words is "one hundred million, two hundred forty-one thousand, seven hundred thirty-one".