2400405131 has 2 divisors, whose sum is σ = 2400405132. Its totient is φ = 2400405130.

The previous prime is 2400405041. The next prime is 2400405149. The reversal of 2400405131 is 1315040042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2400405131 - 2²² = 2396210827 is a prime.

It is a super-2 number, since 2×2400405131² = 11523889585862254322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2400405731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200202565 + 1200202566.

It is an arithmetic number, because the mean of its divisors is an integer number (1200202566).

Almost surely, 2^2400405131 is an apocalyptic number.

2400405131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400405131 is an equidigital number, since it uses as much as digits as its factorization.

2400405131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2400405131 is about 48993.9295321369. The cubic root of 2400405131 is about 1338.9412314925.

Adding to 2400405131 its reverse (1315040042), we get a palindrome (3715445173).

The spelling of 2400405131 in words is "two billion, four hundred million, four hundred five thousand, one hundred thirty-one".