102050731 has 2 divisors, whose sum is σ = 102050732. Its totient is φ = 102050730.

The previous prime is 102050717. The next prime is 102050749. The reversal of 102050731 is 137050201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102050731 - 2⁹ = 102050219 is a prime.

It is a super-2 number, since 2×102050731² = 20828703395268722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102050699 and 102050708.

It is not a weakly prime, because it can be changed into another prime (102050761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51025365 + 51025366.

It is an arithmetic number, because the mean of its divisors is an integer number (51025366).

Almost surely, 2^102050731 is an apocalyptic number.

102050731 is a deficient number, since it is larger than the sum of its proper divisors (1).

102050731 is an equidigital number, since it uses as much as digits as its factorization.

102050731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 102050731 is about 10102.0161849009. The cubic root of 102050731 is about 467.3103214050.

The spelling of 102050731 in words is "one hundred two million, fifty thousand, seven hundred thirty-one".