104100431 has 2 divisors, whose sum is σ = 104100432. Its totient is φ = 104100430.

The previous prime is 104100383. The next prime is 104100443. The reversal of 104100431 is 134001401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (134001401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104100431 is a prime.

It is a super-2 number, since 2×104100431² = 21673799468771522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104100481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52050215 + 52050216.

It is an arithmetic number, because the mean of its divisors is an integer number (52050216).

Almost surely, 2^104100431 is an apocalyptic number.

104100431 is a deficient number, since it is larger than the sum of its proper divisors (1).

104100431 is an equidigital number, since it uses as much as digits as its factorization.

104100431 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 14.

The square root of 104100431 is about 10202.9618738874. The cubic root of 104100431 is about 470.4182650573.

Adding to 104100431 its reverse (134001401), we get a palindrome (238101832).

The spelling of 104100431 in words is "one hundred four million, one hundred thousand, four hundred thirty-one".