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10100103131 = 88711386813
BaseRepresentation
bin10010110100000001…
…10101011111011011
3222001220010101210202
421122000311133123
5131141111300011
64350120132415
7505201313546
oct113200653733
928056111722
1010100103131
114313276a78
121b5a60710b
13c4c668bb1
146bb57d85d
153e1a8323b
hex25a0357db

10100103131 has 4 divisors (see below), whose sum is σ = 10111490832. Its totient is φ = 10088715432.

The previous prime is 10100103107. The next prime is 10100103179. The reversal of 10100103131 is 13130100101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10100103131 - 218 = 10099840987 is a prime.

It is a super-2 number, since 2×101001031312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10100106131) 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, 5692520 + ... + 5694293.

It is an arithmetic number, because the mean of its divisors is an integer number (2527872708).

Almost surely, 210100103131 is an apocalyptic number.

10100103131 is a deficient number, since it is larger than the sum of its proper divisors (11387701).

10100103131 is an equidigital number, since it uses as much as digits as its factorization.

10100103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387700.

The product of its (nonzero) digits is 9, while the sum is 11.

Adding to 10100103131 its reverse (13130100101), we get a palindrome (23230203232).

The spelling of 10100103131 in words is "ten billion, one hundred million, one hundred three thousand, one hundred thirty-one".

Divisors: 1 887 11386813 10100103131