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10110231097 = 31326136487
BaseRepresentation
bin10010110101001110…
…11110001000111001
3222002121011221202121
421122213132020321
5131201204343342
64351121201241
7505353355261
oct113247361071
928077157677
1010110231097
114318a6429a
121b61a90221
13c517a3a85
146bca587a1
153e28d4067
hex25a9de239

10110231097 has 4 divisors (see below), whose sum is σ = 10436367616. Its totient is φ = 9784094580.

The previous prime is 10110231031. The next prime is 10110231119. The reversal of 10110231097 is 79013201101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79013201101 = 449175975949.

It is a cyclic number.

It is not a de Polignac number, because 10110231097 - 27 = 10110230969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10110234097) 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, 163068213 + ... + 163068274.

It is an arithmetic number, because the mean of its divisors is an integer number (2609091904).

Almost surely, 210110231097 is an apocalyptic number.

It is an amenable number.

10110231097 is a deficient number, since it is larger than the sum of its proper divisors (326136519).

10110231097 is an equidigital number, since it uses as much as digits as its factorization.

10110231097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326136518.

The product of its (nonzero) digits is 378, while the sum is 25.

Adding to 10110231097 its reverse (79013201101), we get a palindrome (89123432198).

The spelling of 10110231097 in words is "ten billion, one hundred ten million, two hundred thirty-one thousand, ninety-seven".

Divisors: 1 31 326136487 10110231097