31301231000141 has 2 divisors, whose sum is σ = 31301231000142. Its totient is φ = 31301231000140.

The previous prime is 31301231000131. The next prime is 31301231000173. The reversal of 31301231000141 is 14100013210313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16748310700900 + 14552920299241 = 4092470^2 + 3814829^2 .

It is an emirp because it is prime and its reverse (14100013210313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31301231000141 - 2⁶ = 31301231000077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31301231000111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650615500070 + 15650615500071.

It is an arithmetic number, because the mean of its divisors is an integer number (15650615500071).

Almost surely, 2^{31301231000141} is an apocalyptic number.

It is an amenable number.

31301231000141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301231000141 is an equidigital number, since it uses as much as digits as its factorization.

31301231000141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31301231000141 its reverse (14100013210313), we get a palindrome (45401244210454).

The spelling of 31301231000141 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, one hundred forty-one", and thus it is an aban number.