2431403081 has 2 divisors, whose sum is σ = 2431403082. Its totient is φ = 2431403080.

The previous prime is 2431403021. The next prime is 2431403083. The reversal of 2431403081 is 1803041342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2431377481 + 25600 = 49309^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431403081 - 2¹⁸ = 2431140937 is a prime.

It is a super-2 number, since 2×2431403081² = 11823441884592585122, which contains 22 as substring.

Together with 2431403083, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2431403081.

It is not a weakly prime, because it can be changed into another prime (2431403083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215701540 + 1215701541.

It is an arithmetic number, because the mean of its divisors is an integer number (1215701541).

Almost surely, 2^2431403081 is an apocalyptic number.

It is an amenable number.

2431403081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431403081 is an equidigital number, since it uses as much as digits as its factorization.

2431403081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2431403081 is about 49309.2595868159. The cubic root of 2431403081 is about 1344.6801303069.

The spelling of 2431403081 in words is "two billion, four hundred thirty-one million, four hundred three thousand, eighty-one".