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10212112102331 = 32695131234381
BaseRepresentation
bin1001010010011011000101…
…0100000111001110111011
31100011021020122120111011102
42110212301110013032323
52314303401144233311
633415213551322015
72102541441434066
oct224466124071673
940137218514142
1010212112102331
113287a29063a47
12118b21382030b
13590cc88cc449
142743a9a8d8dd
1512a9918cd43b
hex949b15073bb

10212112102331 has 4 divisors (see below), whose sum is σ = 10212143663664. Its totient is φ = 10212080541000.

The previous prime is 10212112102301. The next prime is 10212112102369. The reversal of 10212112102331 is 13320121121201.

10212112102331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10212112102331 is a prime.

It is a super-2 number, since 2×102121121023312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10212112102301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15290240 + ... + 15944141.

It is an arithmetic number, because the mean of its divisors is an integer number (2553035915916).

Almost surely, 210212112102331 is an apocalyptic number.

10212112102331 is a deficient number, since it is larger than the sum of its proper divisors (31561333).

10212112102331 is an equidigital number, since it uses as much as digits as its factorization.

10212112102331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31561332.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 10212112102331 its reverse (13320121121201), we get a palindrome (23532233223532).

The spelling of 10212112102331 in words is "ten trillion, two hundred twelve billion, one hundred twelve million, one hundred two thousand, three hundred thirty-one".

Divisors: 1 326951 31234381 10212112102331