40431119 has 2 divisors, whose sum is σ = 40431120. Its totient is φ = 40431118.

The previous prime is 40431113. The next prime is 40431199. The reversal of 40431119 is 91113404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40431119 is a prime.

It is a super-2 number, since 2×40431119² = 3269350767184322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40431094 and 40431103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40431113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215559 + 20215560.

It is an arithmetic number, because the mean of its divisors is an integer number (20215560).

Almost surely, 2^40431119 is an apocalyptic number.

40431119 is a deficient number, since it is larger than the sum of its proper divisors (1).

40431119 is an equidigital number, since it uses as much as digits as its factorization.

40431119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 40431119 is about 6358.5469252023. The cubic root of 40431119 is about 343.2194732468.

The spelling of 40431119 in words is "forty million, four hundred thirty-one thousand, one hundred nineteen".