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220201120201031 is a prime number
BaseRepresentation
bin110010000100010110010001…
…100011000111100101000111
31001212200000120200020100122122
4302010112101203013211013
5212330233343232413111
62100154555331320155
764245002015003564
oct6204262143074507
91055600520210578
10220201120201031
11641878527a4162
122084455175005b
1395b3b51996518
143c53b10a3d86b
151a6ce0a8c0cdb
hexc845918c7947

220201120201031 has 2 divisors, whose sum is σ = 220201120201032. Its totient is φ = 220201120201030.

The previous prime is 220201120200991. The next prime is 220201120201091. The reversal of 220201120201031 is 130102021102022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220201120201031 is a prime.

It is a super-2 number, since 2×2202011202010312 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220201120201091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100560100515 + 110100560100516.

It is an arithmetic number, because the mean of its divisors is an integer number (110100560100516).

Almost surely, 2220201120201031 is an apocalyptic number.

220201120201031 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201120201031 is an equidigital number, since it uses as much as digits as its factorization.

220201120201031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 220201120201031 its reverse (130102021102022), we get a palindrome (350303141303053).

Subtracting from 220201120201031 its reverse (130102021102022), we obtain a palindrome (90099099099009).

The spelling of 220201120201031 in words is "two hundred twenty trillion, two hundred one billion, one hundred twenty million, two hundred one thousand, thirty-one".