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103211101331 = 137939315487
BaseRepresentation
bin110000000011111011…
…1000110110010010011
3100212101221220012011122
41200013313012302103
53142334020220311
6115225312032455
710312444612652
oct1400767066223
9325357805148
10103211101331
113a853a81058
121800523272b
13996ab671c0
144dd16d9199
152a410cc0db
hex1807dc6c93

103211101331 has 4 divisors (see below), whose sum is σ = 111150416832. Its totient is φ = 95271785832.

The previous prime is 103211101327. The next prime is 103211101361. The reversal of 103211101331 is 133101112301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133101112301 = 139957561959.

It is a cyclic number.

It is not a de Polignac number, because 103211101331 - 22 = 103211101327 is a prime.

It is a super-2 number, since 2×1032111013312 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103211101321) 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, 3969657731 + ... + 3969657756.

It is an arithmetic number, because the mean of its divisors is an integer number (27787604208).

Almost surely, 2103211101331 is an apocalyptic number.

103211101331 is a deficient number, since it is larger than the sum of its proper divisors (7939315501).

103211101331 is an equidigital number, since it uses as much as digits as its factorization.

103211101331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7939315500.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103211101331 its reverse (133101112301), we get a palindrome (236312213632).

The spelling of 103211101331 in words is "one hundred three billion, two hundred eleven million, one hundred one thousand, three hundred thirty-one".

Divisors: 1 13 7939315487 103211101331