107431 has 4 divisors (see below), whose sum is σ = 109512. Its totient is φ = 105352.

The previous prime is 107377. The next prime is 107441. The reversal of 107431 is 134701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107431 is a prime.

It is a super-2 number, since 2×107431² = 23082839522, which contains 22 as substring.

It is a Duffinian number.

107431 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (27378).

2¹⁰⁷⁴³¹ is an apocalyptic number.

107431 is a deficient number, since it is larger than the sum of its proper divisors (2081).

107431 is an equidigital number, since it uses as much as digits as its factorization.

107431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 107431 is about 327.7666853114. The cubic root of 107431 is about 47.5382517361.

The spelling of 107431 in words is "one hundred seven thousand, four hundred thirty-one".