31033220020141 has 2 divisors, whose sum is σ = 31033220020142. Its totient is φ = 31033220020140.

The previous prime is 31033220020123. The next prime is 31033220020193. The reversal of 31033220020141 is 14102002233013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21905872697641 + 9127347322500 = 4680371^2 + 3021150^2 .

It is a cyclic number.

It is not a de Polignac number, because 31033220020141 - 2¹³ = 31033220011949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31033220020541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516610010070 + 15516610010071.

It is an arithmetic number, because the mean of its divisors is an integer number (15516610010071).

Almost surely, 2^{31033220020141} is an apocalyptic number.

It is an amenable number.

31033220020141 is a deficient number, since it is larger than the sum of its proper divisors (1).

31033220020141 is an equidigital number, since it uses as much as digits as its factorization.

31033220020141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31033220020141 its reverse (14102002233013), we get a palindrome (45135222253154).

The spelling of 31033220020141 in words is "thirty-one trillion, thirty-three billion, two hundred twenty million, twenty thousand, one hundred forty-one".