142301022991 has 2 divisors, whose sum is σ = 142301022992. Its totient is φ = 142301022990.

The previous prime is 142301022989. The next prime is 142301023043. The reversal of 142301022991 is 199220103241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142301022991 - 2¹ = 142301022989 is a prime.

It is a super-2 number, since 2×142301022991² (a number of 23 digits) contains 22 as substring.

Together with 142301022989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142301022901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71150511495 + 71150511496.

It is an arithmetic number, because the mean of its divisors is an integer number (71150511496).

Almost surely, 2^142301022991 is an apocalyptic number.

142301022991 is a deficient number, since it is larger than the sum of its proper divisors (1).

142301022991 is an equidigital number, since it uses as much as digits as its factorization.

142301022991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 142301022991 in words is "one hundred forty-two billion, three hundred one million, twenty-two thousand, nine hundred ninety-one".