102150755731 has 2 divisors, whose sum is σ = 102150755732. Its totient is φ = 102150755730.

The previous prime is 102150755689. The next prime is 102150755743. The reversal of 102150755731 is 137557051201.

It is a strong prime.

It is an emirp because it is prime and its reverse (137557051201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102150755731 - 2⁹ = 102150755219 is a prime.

It is a super-2 number, since 2×102150755731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102150755131) 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, 51075377865 + 51075377866.

It is an arithmetic number, because the mean of its divisors is an integer number (51075377866).

Almost surely, 2^102150755731 is an apocalyptic number.

102150755731 is a deficient number, since it is larger than the sum of its proper divisors (1).

102150755731 is an equidigital number, since it uses as much as digits as its factorization.

102150755731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 37.

The spelling of 102150755731 in words is "one hundred two billion, one hundred fifty million, seven hundred fifty-five thousand, seven hundred thirty-one".