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10310221231 is a prime number
BaseRepresentation
bin10011001101000100…
…10111110110101111
3222121112111111122121
421212202113312233
5132103404034411
64423023453411
7513332302012
oct114642276657
928545444577
1010310221231
11441093a8a2
121bb8a57267
13c8405672b
146db437379
1540523a571
hex266897daf

10310221231 has 2 divisors, whose sum is σ = 10310221232. Its totient is φ = 10310221230.

The previous prime is 10310221213. The next prime is 10310221253. The reversal of 10310221231 is 13212201301.

Together with previous prime (10310221213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10310221231 - 29 = 10310220719 is a prime.

It is a super-2 number, since 2×103102212312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10310221531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155110615 + 5155110616.

It is an arithmetic number, because the mean of its divisors is an integer number (5155110616).

Almost surely, 210310221231 is an apocalyptic number.

10310221231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10310221231 is an equidigital number, since it uses as much as digits as its factorization.

10310221231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10310221231 its reverse (13212201301), we get a palindrome (23522422532).

The spelling of 10310221231 in words is "ten billion, three hundred ten million, two hundred twenty-one thousand, two hundred thirty-one".