102031320037 has 2 divisors, whose sum is σ = 102031320038. Its totient is φ = 102031320036.

The previous prime is 102031320007. The next prime is 102031320047. The reversal of 102031320037 is 730023130201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64178115556 + 37853204481 = 253334^2 + 194559^2 .

It is an emirp because it is prime and its reverse (730023130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102031320037 - 2¹⁹ = 102030795749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102031320007) 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, 51015660018 + 51015660019.

It is an arithmetic number, because the mean of its divisors is an integer number (51015660019).

Almost surely, 2^102031320037 is an apocalyptic number.

It is an amenable number.

102031320037 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031320037 is an equidigital number, since it uses as much as digits as its factorization.

102031320037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 102031320037 its reverse (730023130201), we get a palindrome (832054450238).

The spelling of 102031320037 in words is "one hundred two billion, thirty-one million, three hundred twenty thousand, thirty-seven".