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10211203100231 = 710325755107223
BaseRepresentation
bin1001010010010111101100…
…1000100010111001000111
31100011011220022010101200222
42110211323020202321013
52314300020443201411
633414543440254555
72102510063153150
oct224457310427107
940134808111628
1010211203100231
113287601a43241
12118abbb31145b
13590bb24a3493
1427432106c927
1512a93bbc44db
hex9497b222e47

10211203100231 has 16 divisors (see below), whose sum is σ = 11829096274944. Its totient is φ = 8633758685184.

The previous prime is 10211203100149. The next prime is 10211203100237. The reversal of 10211203100231 is 13200130211201.

It is a cyclic number.

It is not a de Polignac number, because 10211203100231 - 218 = 10211202838087 is a prime.

It is a super-2 number, since 2×102112031002312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211203100237) 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, 27368315 + ... + 27738908.

It is an arithmetic number, because the mean of its divisors is an integer number (739318517184).

Almost surely, 210211203100231 is an apocalyptic number.

10211203100231 is a deficient number, since it is larger than the sum of its proper divisors (1617893174713).

10211203100231 is a wasteful number, since it uses less digits than its factorization.

10211203100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55107590.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10211203100231 its reverse (13200130211201), we get a palindrome (23411333311432).

The spelling of 10211203100231 in words is "ten trillion, two hundred eleven billion, two hundred three million, one hundred thousand, two hundred thirty-one".

Divisors: 1 7 103 257 721 1799 26471 185297 55107223 385750561 5676043969 14162556311 39732307783 99137894177 1458743300033 10211203100231