31230002241 has 12 divisors (see below), whose sum is σ = 46665520980. Its totient is φ = 20102070240.

The previous prime is 31230002231. The next prime is 31230002261. The reversal of 31230002241 is 14220003213.

It can be written as a sum of positive squares in 2 ways, for example, as 8089203600 + 23140798641 = 89940^2 + 152121^2 .

It is not a de Polignac number, because 31230002241 - 2¹³ = 31229994049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31230002231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59827330 + ... + 59827851.

It is an arithmetic number, because the mean of its divisors is an integer number (3888793415).

Almost surely, 2^31230002241 is an apocalyptic number.

It is an amenable number.

31230002241 is a deficient number, since it is larger than the sum of its proper divisors (15435518739).

31230002241 is a wasteful number, since it uses less digits than its factorization.

31230002241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119655216 (or 119655213 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 31230002241 its reverse (14220003213), we get a palindrome (45450005454).

The spelling of 31230002241 in words is "thirty-one billion, two hundred thirty million, two thousand, two hundred forty-one".