231302140037 has 2 divisors, whose sum is σ = 231302140038. Its totient is φ = 231302140036.

The previous prime is 231302140031. The next prime is 231302140057. The reversal of 231302140037 is 730041203132.

231302140037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147985626721 + 83316513316 = 384689^2 + 288646^2 .

It is a cyclic number.

It is not a de Polignac number, because 231302140037 - 2⁶ = 231302139973 is a prime.

It is a super-2 number, since 2×231302140037² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231302139988 and 231302140015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231302140031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651070018 + 115651070019.

It is an arithmetic number, because the mean of its divisors is an integer number (115651070019).

Almost surely, 2^231302140037 is an apocalyptic number.

It is an amenable number.

231302140037 is a deficient number, since it is larger than the sum of its proper divisors (1).

231302140037 is an equidigital number, since it uses as much as digits as its factorization.

231302140037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 231302140037 its reverse (730041203132), we get a palindrome (961343343169).

The spelling of 231302140037 in words is "two hundred thirty-one billion, three hundred two million, one hundred forty thousand, thirty-seven".