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10211302012131 = 321117313743123017
BaseRepresentation
bin1001010010011000000100…
…0001110111010011100011
31100011012011012020122022200
42110212001001313103203
52314300221303342011
633415001332304243
72102512403664063
oct224460101672343
940135135218280
1010211302012131
113287652861210
12118b028472083
13590bc9b2592c
142743302593a3
1512a945711856
hex949810774e3

10211302012131 has 192 divisors, whose sum is σ = 18482129842176. Its totient is φ = 5356805529600.

The previous prime is 10211302011997. The next prime is 10211302012141. The reversal of 10211302012131 is 13121020311201.

10211302012131 is a `hidden beast` number, since 1 + 0 + 211 + 302 + 0 + 121 + 31 = 666.

It is not a de Polignac number, because 10211302012131 - 227 = 10211167794403 is a prime.

It is a super-2 number, since 2×102113020121312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10211302012141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 82945735 + ... + 83068751.

It is an arithmetic number, because the mean of its divisors is an integer number (96261092928).

Almost surely, 210211302012131 is an apocalyptic number.

10211302012131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10211302012131 is a deficient number, since it is larger than the sum of its proper divisors (8270827830045).

10211302012131 is a wasteful number, since it uses less digits than its factorization.

10211302012131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123162 (or 123159 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 10211302012131 its reverse (13121020311201), we get a palindrome (23332322323332).

The spelling of 10211302012131 in words is "ten trillion, two hundred eleven billion, three hundred two million, twelve thousand, one hundred thirty-one".