2240431121 has 2 divisors, whose sum is σ = 2240431122. Its totient is φ = 2240431120.

The previous prime is 2240431117. The next prime is 2240431147. The reversal of 2240431121 is 1211340422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2051093521 + 189337600 = 45289^2 + 13760^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240431121 - 2² = 2240431117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2240431093 and 2240431102.

It is not a weakly prime, because it can be changed into another prime (2240431181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120215560 + 1120215561.

It is an arithmetic number, because the mean of its divisors is an integer number (1120215561).

Almost surely, 2^2240431121 is an apocalyptic number.

It is an amenable number.

2240431121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240431121 is an equidigital number, since it uses as much as digits as its factorization.

2240431121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2240431121 is about 47333.1925925138. The cubic root of 2240431121 is about 1308.5104606775.

Adding to 2240431121 its reverse (1211340422), we get a palindrome (3451771543).

The spelling of 2240431121 in words is "two billion, two hundred forty million, four hundred thirty-one thousand, one hundred twenty-one".