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2101310012131 = 11490938913869
BaseRepresentation
bin11110100100111111110…
…101100011101011100011
321102212211220111201000121
4132210333311203223203
5233411440330342011
64245154542101111
7304546264253641
oct36447765435343
97385756451017
102101310012131
117401847a2440
1229b2b857a797
131231ca5a6005
14739bd8ba191
15399d7233e71
hex1e93fd63ae3

2101310012131 has 8 divisors (see below), whose sum is σ = 2292805220400. Its totient is φ = 1909892641440.

The previous prime is 2101310012119. The next prime is 2101310012147. The reversal of 2101310012131 is 1312100131012.

It is a happy number.

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 2101310012131 - 27 = 2101310012003 is a prime.

It is a super-2 number, since 2×21013100121312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101310012101) 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, 19402936 + ... + 19510933.

It is an arithmetic number, because the mean of its divisors is an integer number (286600652550).

Almost surely, 22101310012131 is an apocalyptic number.

2101310012131 is a deficient number, since it is larger than the sum of its proper divisors (191495208269).

2101310012131 is a wasteful number, since it uses less digits than its factorization.

2101310012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38918789.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2101310012131 its reverse (1312100131012), we get a palindrome (3413410143143).

The spelling of 2101310012131 in words is "two trillion, one hundred one billion, three hundred ten million, twelve thousand, one hundred thirty-one".

Divisors: 1 11 4909 53999 38913869 428052559 191028182921 2101310012131