2402431481 has 2 divisors, whose sum is σ = 2402431482. Its totient is φ = 2402431480.

The previous prime is 2402431477. The next prime is 2402431487. The reversal of 2402431481 is 1841342042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1233133456 + 1169298025 = 35116^2 + 34195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402431481 - 2² = 2402431477 is a prime.

It is a super-2 number, since 2×2402431481² = 11543354041799706722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2402431487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201215740 + 1201215741.

It is an arithmetic number, because the mean of its divisors is an integer number (1201215741).

Almost surely, 2^2402431481 is an apocalyptic number.

It is an amenable number.

2402431481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402431481 is an equidigital number, since it uses as much as digits as its factorization.

2402431481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 2402431481 is about 49014.6047724553. The cubic root of 2402431481 is about 1339.3178901977.

The spelling of 2402431481 in words is "two billion, four hundred two million, four hundred thirty-one thousand, four hundred eighty-one".