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10031011230 = 235421794221
BaseRepresentation
bin10010101011110010…
…10001010110011110
3221220002010011112110
421111321101112132
5131020414324410
64335211214450
7503402121462
oct112571212636
927802104473
1010031011230
114288276229
121b3b447426
13c3b257806
146b23164a2
153da986720
hex255e5159e

10031011230 has 32 divisors (see below), whose sum is σ = 24131641248. Its totient is φ = 2668579200.

The previous prime is 10031011223. The next prime is 10031011253. The reversal of 10031011230 is 3211013001.

It is a super-2 number, since 2×100310112302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384481 + ... + 409740.

It is an arithmetic number, because the mean of its divisors is an integer number (754113789).

Almost surely, 210031011230 is an apocalyptic number.

10031011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10031011230 is an abundant number, since it is smaller than the sum of its proper divisors (14100630018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10031011230 is a wasteful number, since it uses less digits than its factorization.

10031011230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794652.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 10031011230 its reverse (3211013001), we get a palindrome (13242024231).

The spelling of 10031011230 in words is "ten billion, thirty-one million, eleven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 421 842 1263 2105 2526 4210 6315 12630 794221 1588442 2382663 3971105 4765326 7942210 11913315 23826630 334367041 668734082 1003101123 1671835205 2006202246 3343670410 5015505615 10031011230