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10022230431 = 321113581159
BaseRepresentation
bin10010101010101111…
…10001100110011111
3221212110121001112200
421111113301212133
5131011142333211
64334255102543
7503234360463
oct112527614637
927773531480
1010022230431
114283319074
121b38511a53
13c394a1b85
146b10ac4a3
153d9ceeb56
hex2555f199f

10022230431 has 6 divisors (see below), whose sum is σ = 14476555080. Its totient is φ = 6681486948.

The previous prime is 10022230417. The next prime is 10022230453. The reversal of 10022230431 is 13403222001.

10022230431 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 2 + 230 + 431 = 666.

It is not a de Polignac number, because 10022230431 - 210 = 10022229407 is a prime.

It is a super-3 number, since 3×100222304313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022230481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556790571 + ... + 556790588.

It is an arithmetic number, because the mean of its divisors is an integer number (2412759180).

Almost surely, 210022230431 is an apocalyptic number.

10022230431 is a deficient number, since it is larger than the sum of its proper divisors (4454324649).

10022230431 is a wasteful number, since it uses less digits than its factorization.

10022230431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113581165 (or 1113581162 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10022230431 its reverse (13403222001), we get a palindrome (23425452432).

The spelling of 10022230431 in words is "ten billion, twenty-two million, two hundred thirty thousand, four hundred thirty-one".

Divisors: 1 3 9 1113581159 3340743477 10022230431