100241431 has 2 divisors, whose sum is σ = 100241432. Its totient is φ = 100241430.

The previous prime is 100241419. The next prime is 100241437. The reversal of 100241431 is 134142001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100241431 - 2⁷ = 100241303 is a prime.

It is a super-2 number, since 2×100241431² = 20096688977855522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100241437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50120715 + 50120716.

It is an arithmetic number, because the mean of its divisors is an integer number (50120716).

Almost surely, 2^100241431 is an apocalyptic number.

100241431 is a deficient number, since it is larger than the sum of its proper divisors (1).

100241431 is an equidigital number, since it uses as much as digits as its factorization.

100241431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100241431 is about 10012.0642726663. The cubic root of 100241431 is about 464.5321242937.

Adding to 100241431 its reverse (134142001), we get a palindrome (234383432).

The spelling of 100241431 in words is "one hundred million, two hundred forty-one thousand, four hundred thirty-one".