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10305106431 = 361103546719
BaseRepresentation
bin10011001100011101…
…10111000111111111
3222121011212122110120
421212032313013333
5132101101401211
64422322110023
7513240650034
oct114616670777
928534778416
1010305106431
114408a66a94
121bb71ab313
13c82c85619
146da8a538b
15404a79d06
hex2663b71ff

10305106431 has 16 divisors (see below), whose sum is σ = 14101002240. Its totient is φ = 6691828320.

The previous prime is 10305106423. The next prime is 10305106481. The reversal of 10305106431 is 13460150301.

It is not a de Polignac number, because 10305106431 - 23 = 10305106423 is a prime.

It is a super-2 number, since 2×103051064312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305106421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254511 + ... + 292208.

It is an arithmetic number, because the mean of its divisors is an integer number (881312640).

Almost surely, 210305106431 is an apocalyptic number.

10305106431 is a deficient number, since it is larger than the sum of its proper divisors (3795895809).

10305106431 is a wasteful number, since it uses less digits than its factorization.

10305106431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546886.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 10305106431 its reverse (13460150301), we get a palindrome (23765256732).

The spelling of 10305106431 in words is "ten billion, three hundred five million, one hundred six thousand, four hundred thirty-one".

Divisors: 1 3 61 103 183 309 6283 18849 546719 1640157 33349859 56312057 100049577 168936171 3435035477 10305106431