Search a number
-
+
220010121031 is a prime number
BaseRepresentation
bin1100110011100110100…
…0000000011101000111
3210000212212212011012011
43030321220000131013
512101040042333111
6245023220235051
721616025113201
oct3147150003507
9700785764164
10220010121031
118533aa83308
1236780b3ba87
1317992b2b78c
14a91187d771
155aca03e021
hex3339a00747

220010121031 has 2 divisors, whose sum is σ = 220010121032. Its totient is φ = 220010121030.

The previous prime is 220010120977. The next prime is 220010121041. The reversal of 220010121031 is 130121010022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220010121031 - 235 = 185650382663 is a prime.

It is a super-2 number, since 2×2200101210312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220010121041) 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, 110005060515 + 110005060516.

It is an arithmetic number, because the mean of its divisors is an integer number (110005060516).

Almost surely, 2220010121031 is an apocalyptic number.

220010121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

220010121031 is an equidigital number, since it uses as much as digits as its factorization.

220010121031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 220010121031 its reverse (130121010022), we get a palindrome (350131131053).

The spelling of 220010121031 in words is "two hundred twenty billion, ten million, one hundred twenty-one thousand, thirty-one".