940220131 has 2 divisors, whose sum is σ = 940220132. Its totient is φ = 940220130.

The previous prime is 940220129. The next prime is 940220161. The reversal of 940220131 is 131022049.

940220131 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 is an emirp because it is prime and its reverse (131022049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940220131 - 2¹ = 940220129 is a prime.

It is a super-2 number, since 2×940220131² = 1768027789475314322, which contains 22 as substring.

Together with 940220129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (940220161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470110065 + 470110066.

It is an arithmetic number, because the mean of its divisors is an integer number (470110066).

Almost surely, 2^940220131 is an apocalyptic number.

940220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

940220131 is an equidigital number, since it uses as much as digits as its factorization.

940220131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 940220131 is about 30663.0091641378. The cubic root of 940220131 is about 979.6625698642.

The spelling of 940220131 in words is "nine hundred forty million, two hundred twenty thousand, one hundred thirty-one".