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10220230231531 is a prime number
BaseRepresentation
bin1001010010111001010100…
…1100010100010111101011
31100012001012102021011212021
42110232111030110113223
52314422012414402111
633423035311125311
72103246555414205
oct224562514242753
940161172234767
1010220230231531
113290414585631
1211908ba513837
135919c0762aa8
14274939d07775
1512acb945ed71
hex94b953145eb

10220230231531 has 2 divisors, whose sum is σ = 10220230231532. Its totient is φ = 10220230231530.

The previous prime is 10220230231517. The next prime is 10220230231553. The reversal of 10220230231531 is 13513203202201.

10220230231531 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10220230231531 is a prime.

It is a super-2 number, since 2×102202302315312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10220230231496 and 10220230231505.

It is not a weakly prime, because it can be changed into another prime (10220230237531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110115115765 + 5110115115766.

It is an arithmetic number, because the mean of its divisors is an integer number (5110115115766).

Almost surely, 210220230231531 is an apocalyptic number.

10220230231531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220230231531 is an equidigital number, since it uses as much as digits as its factorization.

10220230231531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 10220230231531 its reverse (13513203202201), we get a palindrome (23733433433732).

The spelling of 10220230231531 in words is "ten trillion, two hundred twenty billion, two hundred thirty million, two hundred thirty-one thousand, five hundred thirty-one".