731000141 has 2 divisors, whose sum is σ = 731000142. Its totient is φ = 731000140.

The previous prime is 731000131. The next prime is 731000159. The reversal of 731000141 is 141000137.

731000141 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., 489073225 + 241926916 = 22115^2 + 15554^2 .

It is an emirp because it is prime and its reverse (141000137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 731000141 - 2¹⁰ = 730999117 is a prime.

It is a super-2 number, since 2×731000141² = 1068722412284039762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731000131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365500070 + 365500071.

It is an arithmetic number, because the mean of its divisors is an integer number (365500071).

Almost surely, 2^731000141 is an apocalyptic number.

It is an amenable number.

731000141 is a deficient number, since it is larger than the sum of its proper divisors (1).

731000141 is an equidigital number, since it uses as much as digits as its factorization.

731000141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 731000141 is about 27037.0142767281. The cubic root of 731000141 is about 900.8223516608.

Adding to 731000141 its reverse (141000137), we get a palindrome (872000278).

The spelling of 731000141 in words is "seven hundred thirty-one million, one hundred forty-one", and thus it is an aban number.