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10212100230031 = 74359133467263
BaseRepresentation
bin1001010010011011000010…
…0110110100101110001111
31100011021012211020022102121
42110212300212310232033
52314303340124330111
633415212445033411
72102541235506010
oct224466046645617
940137184208377
1010212100230031
113287a22395127
12118b20b855867
13590cc630360b
142743a827d007
1512a990835871
hex949b09b4b8f

10212100230031 has 8 divisors (see below), whose sum is σ = 11671239778304. Its totient is φ = 8753027703480.

The previous prime is 10212100230019. The next prime is 10212100230083. The reversal of 10212100230031 is 13003200121201.

10212100230031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10212100230031 - 25 = 10212100229999 is a prime.

It is a super-2 number, since 2×102121002300312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212100229987 and 10212100230014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212100200031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16428495 + ... + 17038768.

It is an arithmetic number, because the mean of its divisors is an integer number (1458904972288).

Almost surely, 210212100230031 is an apocalyptic number.

10212100230031 is a deficient number, since it is larger than the sum of its proper divisors (1459139548273).

10212100230031 is an equidigital number, since it uses as much as digits as its factorization.

10212100230031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33510861.

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

Adding to 10212100230031 its reverse (13003200121201), we get a palindrome (23215300351232).

The spelling of 10212100230031 in words is "ten trillion, two hundred twelve billion, one hundred million, two hundred thirty thousand, thirty-one".

Divisors: 1 7 43591 305137 33467263 234270841 1458871461433 10212100230031