2000040431 has 2 divisors, whose sum is σ = 2000040432. Its totient is φ = 2000040430.

The previous prime is 2000040421. The next prime is 2000040457. The reversal of 2000040431 is 1340400002.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000040431 is a prime.

It is a super-2 number, since 2×2000040431² = 8000323451269331522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000040401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000020215 + 1000020216.

It is an arithmetic number, because the mean of its divisors is an integer number (1000020216).

Almost surely, 2^2000040431 is an apocalyptic number.

2000040431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000040431 is an equidigital number, since it uses as much as digits as its factorization.

2000040431 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 14.

The square root of 2000040431 is about 44721.8115800333. The cubic root of 2000040431 is about 1259.9295398157.

Adding to 2000040431 its reverse (1340400002), we get a palindrome (3340440433).

The spelling of 2000040431 in words is "two billion, forty thousand, four hundred thirty-one".