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2201001021031 is a prime number
BaseRepresentation
bin100000000001110101111…
…000100100111001100111
321210102011112201200011111
4200001311320210321213
5242030122230133111
64403043110245451
7315005566664521
oct40016570447147
97712145650144
102201001021031
1177949177299a
122b669a956887
1312c72708a387
14787598a6a11
153c3be285a21
hex20075e24e67

2201001021031 has 2 divisors, whose sum is σ = 2201001021032. Its totient is φ = 2201001021030.

The previous prime is 2201001020987. The next prime is 2201001021059. The reversal of 2201001021031 is 1301201001022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201001021031 - 217 = 2201000889959 is a prime.

It is a super-2 number, since 2×22010010210312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201001021091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100500510515 + 1100500510516.

It is an arithmetic number, because the mean of its divisors is an integer number (1100500510516).

Almost surely, 22201001021031 is an apocalyptic number.

2201001021031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201001021031 is an equidigital number, since it uses as much as digits as its factorization.

2201001021031 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 2201001021031 its reverse (1301201001022), we get a palindrome (3502202022053).

The spelling of 2201001021031 in words is "two trillion, two hundred one billion, one million, twenty-one thousand, thirty-one".